Universe Today (U.T.) is a North American-based non-commercial space and astronomy news website founded by Fraser Cain. The domain was registered on December

The expansion of the universe is the increase in distance between gravitationally unbound parts of the observable universe with time. It is an intrinsic

together 13.787±0.020 billion years ago, and the universe has been expanding ever since. Today the universe has expanded into an age and size that is physically

that describes how the universe expanded from an initial state of high density and temperature. The notion of an expanding universe was first scientifically

different universes within the multiverse are called "parallel universes", "flat universes", "other universes", "alternate universes", "multiple universes", "plane

A small image of a galaxy distorted by gravitational lensing into a dim ring. At the top of the ring are three very bright spots with diffraction spikes c…

I have always wanted a 3D printer but never quite found a good enough reason to get one. Seeing that NASA are now 3D printing metal is even more tantalisi…

Positioned directly on the ecliptic plane, Leo is a constellation of the zodiac preceded by Cancer to the west and followed by Virgo to the east. It is an…

This artist’s impression shows the record-breaking quasar J059-4351, the bright core of a distant galaxy that is powered by a supermassive black hole. The…

NASA’s Space Communications and Navigation programme (SCaN) has demonstrated the first two way end-to-end laser relay system, deployed through an innovati…

NASA’s Parker Solar Probe has been in studying the Sun for the last six years. In 2021 it was hit directly by a coronal mass ejection when it was a mere 1…

As a part of NASA’s ongoing Year of the Solar System – which is actually a single Martian year long, or 23 months – the excitement of planetary exploratio…

Artist's conception of Sedna, the TNO that orbits in the outer edges of the Solar System. Credit: NASA/JPL-Caltech The Kuiper Belt , the vast region at th…

Ask any astronomer, and they will tell you that all of the planets in the Solar System (including those “dwarf planets”) have satellites, with the excepti…

NASA and SpaceX have jointly decided to move forward with the Dragon CRS-13 cargo blastoff apparently because the mission does not involve use of the prob…

The European Space Agency has retired its Ariane 5 rocket, and all eyes are on its next generation, Ariane 6. The rocket’s pieces have been arriving at th…

Welcome back to Messier Monday! Today, we continue in our tribute to our dear friend, Tammy Plotner, by looking at the globular cluster known as Messier 7…

Welcome to another installment of Messier Monday! Today, we continue in our tribute to our dear friend, Tammy Plotner, by taking a look at Messier Object …

Our CO 2 emissions are warming the planet and making life uncomfortable and even unbearable in some regions. In July, the planet set consecutive records f…

NASA’s Space Communications and Navigation programme (SCaN) has demonstrated the first two way end-to-end laser relay system, deployed through an innovati…

In the coming decades, NASA and China intend to send the first crewed missions to Mars. Given the distance involved and the time it takes to make a single…

A 3D reconstruction based on image processing and data analysis shows two cotton leaves grown in the Chang’e-4 lander on the far side of the moon. Image C…

Soon, astronomers and astrophysicists will have more observing power than they know what to do with. Not only will the James Webb Space Telescope one day,…

Europa has always held a fascination to me. I think it’s the concept of a world with a sub-surface ocean and the possibility of life that has inspired me …

Standing beside the Milky Way. Drowming out the night sky blocks us off from nature, and that's not good for humans. Credit: P. Horálek/ESO If there are s…

On January 19th, 2024, the Japanese Aerospace Exploration Agency (JAXA) successfully landed its Smart Lander for Investigating Moon (SLIM) on the lunar su…

The Moon was once a geologically active place characterized by volcanoes, lava flows, and a magnetic field generated by action in its interior. The Moon’s…

In 2005, astronomer Mike Brown and his colleagues Chad Trujillo and David Rabinowitz announced the discovery of a previously unknown planetoid in the Kuip…

On January 19th, 2024, the Japanese Aerospace Exploration Agency (JAXA) successfully landed its Smart Lander for Investigating Moon (SLIM) on the lunar su…

America’s first ever mission ever designed to retrieve samples from the surface of an asteroid and return them to Earth – OSIRIS-Rex – has arrived at its …

The Universe Today is Unbanned from Digg.com! Great news! It would appear that after only day one of the campaign to have the Universe Today un-banned fr…

In this week's live questions show, I explain how amateurs can contribute to space and astronomy research, will I sign up for Starlink, and what would ha…

My guest this week is Alex Ignatiev, from Lunar Resources. Alex and his team are working on a rover that could build solar panels, wiring and even radio …

The center of our Galaxy is a mystery. It is full of dust which most telescopes can't see through. But with James Webb we can look into it. What hides de…

You are here universe Today the American (NASA), European (ESA), and Canadian (CSA) space agencies released the first colour images and spectroscopic dat…

Fraser Cain Choose your membership You’ve joined the inner circle of Universe Today, and become part of the elite group of space-nerds who directly suppo…

Latest in epic universe Today Universal revealed the scope and specifics of Dark Universe – one of the five immersive worlds to be featured at the all-ne…

Universe Today discusses the field of radio astronomy with Dr. Wael Farah, who is a research scientist at the SETI Institute, about how radio astronomy t…

Universe Today discusses the field of radio astronomy with Dr. Wael Farah, who is a research scientist at the SETI Institute, about how radio astronomy t…

Universe Today discusses the field of radio astronomy with Dr. Wael Farah, who is a research scientist at the SETI Institute, about how radio astronomy t…

Universe Today discusses the field of radio astronomy with Dr. Wael Farah, who is a research scientist at the SETI Institute, about how radio astronomy t…

On writing the Universe Today article Bad News: Interstellar Travel May Remain in Science Fiction yesterday, I couldn’t help but feel depressed. So far, …

The Bad Astronomy and Universe Today Forum (BAUT), now known as the Cosmoquest Forum, is a large internet forum/message board dedicated to astronomy and …

Universe Today (U.T.) is a North American-based non-commercial space and astronomy news website founded by Fraser Cain. The domain was registered on December

The expansion of the universe is the increase in distance between gravitationally unbound parts of the observable universe with time. It is an intrinsic

together 13.787±0.020 billion years ago, and the universe has been expanding ever since. Today the universe has expanded into an age and size that is physically

that describes how the universe expanded from an initial state of high density and temperature. The notion of an expanding universe was first scientifically

different universes within the multiverse are called "parallel universes", "flat universes", "other universes", "alternate universes", "multiple universes", "plane

A small image of a galaxy distorted by gravitational lensing into a dim ring. At the top of the ring are three very bright spots with diffraction spikes c…

I have always wanted a 3D printer but never quite found a good enough reason to get one. Seeing that NASA are now 3D printing metal is even more tantalisi…

Positioned directly on the ecliptic plane, Leo is a constellation of the zodiac preceded by Cancer to the west and followed by Virgo to the east. It is an…

This artist’s impression shows the record-breaking quasar J059-4351, the bright core of a distant galaxy that is powered by a supermassive black hole. The…

NASA’s Space Communications and Navigation programme (SCaN) has demonstrated the first two way end-to-end laser relay system, deployed through an innovati…

NASA’s Parker Solar Probe has been in studying the Sun for the last six years. In 2021 it was hit directly by a coronal mass ejection when it was a mere 1…

As a part of NASA’s ongoing Year of the Solar System – which is actually a single Martian year long, or 23 months – the excitement of planetary exploratio…

Artist's conception of Sedna, the TNO that orbits in the outer edges of the Solar System. Credit: NASA/JPL-Caltech The Kuiper Belt , the vast region at th…

Ask any astronomer, and they will tell you that all of the planets in the Solar System (including those “dwarf planets”) have satellites, with the excepti…

NASA and SpaceX have jointly decided to move forward with the Dragon CRS-13 cargo blastoff apparently because the mission does not involve use of the prob…

The European Space Agency has retired its Ariane 5 rocket, and all eyes are on its next generation, Ariane 6. The rocket’s pieces have been arriving at th…

Welcome back to Messier Monday! Today, we continue in our tribute to our dear friend, Tammy Plotner, by looking at the globular cluster known as Messier 7…

Welcome to another installment of Messier Monday! Today, we continue in our tribute to our dear friend, Tammy Plotner, by taking a look at Messier Object …

Our CO 2 emissions are warming the planet and making life uncomfortable and even unbearable in some regions. In July, the planet set consecutive records f…

NASA’s Space Communications and Navigation programme (SCaN) has demonstrated the first two way end-to-end laser relay system, deployed through an innovati…

In the coming decades, NASA and China intend to send the first crewed missions to Mars. Given the distance involved and the time it takes to make a single…

A 3D reconstruction based on image processing and data analysis shows two cotton leaves grown in the Chang’e-4 lander on the far side of the moon. Image C…

Soon, astronomers and astrophysicists will have more observing power than they know what to do with. Not only will the James Webb Space Telescope one day,…

Europa has always held a fascination to me. I think it’s the concept of a world with a sub-surface ocean and the possibility of life that has inspired me …

Standing beside the Milky Way. Drowming out the night sky blocks us off from nature, and that's not good for humans. Credit: P. Horálek/ESO If there are s…

On January 19th, 2024, the Japanese Aerospace Exploration Agency (JAXA) successfully landed its Smart Lander for Investigating Moon (SLIM) on the lunar su…

The Moon was once a geologically active place characterized by volcanoes, lava flows, and a magnetic field generated by action in its interior. The Moon’s…

In 2005, astronomer Mike Brown and his colleagues Chad Trujillo and David Rabinowitz announced the discovery of a previously unknown planetoid in the Kuip…

On January 19th, 2024, the Japanese Aerospace Exploration Agency (JAXA) successfully landed its Smart Lander for Investigating Moon (SLIM) on the lunar su…

America’s first ever mission ever designed to retrieve samples from the surface of an asteroid and return them to Earth – OSIRIS-Rex – has arrived at its …

The Universe Today is Unbanned from Digg.com! Great news! It would appear that after only day one of the campaign to have the Universe Today un-banned fr…

In this week's live questions show, I explain how amateurs can contribute to space and astronomy research, will I sign up for Starlink, and what would ha…

My guest this week is Alex Ignatiev, from Lunar Resources. Alex and his team are working on a rover that could build solar panels, wiring and even radio …

The center of our Galaxy is a mystery. It is full of dust which most telescopes can't see through. But with James Webb we can look into it. What hides de…

You are here universe Today the American (NASA), European (ESA), and Canadian (CSA) space agencies released the first colour images and spectroscopic dat…

Fraser Cain Choose your membership You’ve joined the inner circle of Universe Today, and become part of the elite group of space-nerds who directly suppo…

Latest in epic universe Today Universal revealed the scope and specifics of Dark Universe – one of the five immersive worlds to be featured at the all-ne…

Universe Today discusses the field of radio astronomy with Dr. Wael Farah, who is a research scientist at the SETI Institute, about how radio astronomy t…

Universe Today discusses the field of radio astronomy with Dr. Wael Farah, who is a research scientist at the SETI Institute, about how radio astronomy t…

Universe Today discusses the field of radio astronomy with Dr. Wael Farah, who is a research scientist at the SETI Institute, about how radio astronomy t…

Universe Today discusses the field of radio astronomy with Dr. Wael Farah, who is a research scientist at the SETI Institute, about how radio astronomy t…

On writing the Universe Today article Bad News: Interstellar Travel May Remain in Science Fiction yesterday, I couldn’t help but feel depressed. So far, …

The Bad Astronomy and Universe Today Forum (BAUT), now known as the Cosmoquest Forum, is a large internet forum/message board dedicated to astronomy and …