Comet Ison is looking pretty good as it approaches the sun, with a big, long tail and a greenish hue. Astronomers still don’t know if it will survive this passage intact and have enough volatiles ...

New images taken with the Gemini North telescope in Hawaii confirm that the interstellar comet 3I/ATLAS has gotten brighter and greener since its close flyby of the sun in October. When you purchase ...

The interstellar comet 3I/ATLAS could be covered in erupting "ice volcanoes," new observations suggest. Researchers found evidence that as the comet approached the sun, a series of cryovolcanoes ...

The first comet of the year visible from the Northern Hemisphere sits low on the western horizon for the next few days. Comet Pan-STARRS can be seen without a telescope or binoculars, but it's tough ...

The interstellar comet 3I/ATLAS is set to make its closest approach to Earth in December. 3I/ATLAS is the third-ever discovered object confirmed to have originated from outside our solar system. While ...

The interstellar comet 3I/ATLAS will make its closest approach to Earth on Dec. 19. Originating from outside our solar system, the comet is not a threat to Earth. While not visible to the naked eye, ...

"These images are not just pretty." When you purchase through links on our site, we may earn an affiliate commission. Here’s how it works. It was 4 a.m. on Nov. 25 at the top of Hawaii's dormant ...

Alfredo has a PhD in Astrophysics and a Master's in Quantum Fields and Fundamental Forces from Imperial College London.View full profile Alfredo has a PhD in Astrophysics and a Master's in Quantum ...

Breakthroughs, discoveries, and DIY tips sent every weekday. Terms of Service and Privacy Policy. As one might expect from a month full of long, dark nights, December ...

This month will bring some striking celestial sights, including one of the year’s best meteor showers and a glowing Saturn-moon pairing. December’s “cold moon”—seen here rising above Whitby Abbey in ...

The comet 3I/ATLAS is taking a long holiday journey this year. It's visiting from another solar system altogether. It's the third interstellar object recorded passing through our solar system.

A mysterious interstellar visitor traipsing through our solar system known as 3I/ATLAS has captivated the public for months, and it's easy to see why. For one, it's incredibly rare for any kind of ...