When it comes to telescopes, there are no bigger names than Hubble and Webb, but why have two space telescopes anyway, how ...

Astronomical images not only look beautiful, they also provide a wealth of information. What's behind it and what ...

“If you had a printout of the Hubble Ultra Deep Field on a standard piece of paper, our image would be slightly larger than a 13-foot by 13-foot-wide mural, at the same depth," Caitlin Casey, a ...

Elisha Sauers Elisha Sauers writes about space for Mashable, taking deep dives into NASA's moon and Mars missions, chatting up astronauts and history-making discoverers, and jetting above the clouds.

Everything in space—from Earth and the sun to black holes—accounts for just 15% of all matter in the universe. The rest of ...

'If you had a printout of the Hubble Ultra Deep Field on a standard piece of paper, our image would be slightly larger than a 13-foot by 13-foot-wide mural, at the same depth.

That (and its mind-boggling quantity of galaxies) means Webb's map dwarfs Hubble's Ultra Deep Field, which stunned the world with nearly 10,000 imaged galaxies back in 2006.

With the release of its first images this month, the Vera C. Rubin Observatory has begun a 10-year mission to help unravel the mystery of dark matter. The observatory will continue the legacy of its ...

Take a deep breath: the universe is not just big it’s mind-bogglingly, practically scandalously huge. And it’s growing. A ...

Astronomers uncover the first direct evidence for how some white dwarf stars explode, confirming the long-debated ...

This serene spiral galaxy hides a cataclysmic past. The galaxy IC 758, shown in this NASA/ESA Hubble Space Telescope image, is situated 60 million light-years away in the constellation Ursa Major.

Astronomers studied 10,000 stars in Hubble pictures to make this composite image and to learn about the evolution of the Milky Way galaxy. Light from our own galaxy is the most recently produced ...