The newly discovered object dubbed the Great Comet of 2026 may become visible to the naked eye during its close solar pass in April.

Astronomers first spotted comet 3I/Atlas in data collected by the Asteroid Terrestrial-impact Last Alert System (ATLAS) in ...

The comet is now racing away from the sun following a close flyby on Jan. 20.

First its rotation slowed between March and May 2017, taking 46 hours to complete a spin where it had once taken only 20 hours. This occurred as the comet neared its closest point to the sun, roughly ...

Following a massive cryovolcanic eruption, the mysterious Comet 29P/Schwassmann-Wachmann has been morphed into a giant spiral and is now shining 100 times brighter than normal.

Jonti Horner does not work for, consult, own shares in or receive funding from any company or organization that would benefit from this article, and has disclosed no relevant affiliations beyond their ...

Breakthroughs, discoveries, and DIY tips sent six days a week. Terms of Service and Privacy Policy. After months of unprecedented observations, astronomers are ...

The infrared space telescope also detected water vapor, carbon dioxide and organic compounds streaming from the departing comet two months after it made its closest approach to the sun. When you ...

NASA shared some new infrared images of the 3I/ATLAS interstellar comet this week, showing the visitor brightening up in a dramatic outburst while exiting a solar system. The images were taken by the ...

For millions of years, a frozen wanderer drifted between the stars before slipping into our solar system as 3I/ATLAS—only the third known interstellar comet ever spotted. When scientists turned NASA’s ...

Tom has a Master's degree in Journalism. His editorial work covers anything from archaeology and the environment to technology and culture. Tom has a Master's degree in Journalism. His editorial work ...