"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 ...

The comet is the third object ever confirmed to have entered our cosmic neighborhood from elsewhere in the galaxy. Space telescopes and orbiters have been documenting the rare visit. A mysterious ...

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 ...

A meteor exploded over Michigan's Great Lakes in a green fireball, videos reveal. The dramatic event was likely caused by a comet fragment burning up in the atmosphere. On Sunday (Nov. 23) at around 5 ...

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 ...

As the comet heads toward its closest pass by Earth, a team led by NASA astrochemist Martin Cordiner used the Atacama Large Millimeter Array (ALMA) in Chile to study the gases streaming off its ...

A shocking image shows how the night sky is being crowded by satellites. Astrophotographers observing Comet C/2025 A6 (Lemmon) have captured striking evidence of how rapidly Earth’s near-space ...

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 Houston Cougars had been chasing six wins in general during their first two seasons in the Big 12. But in year three holding membership in the conference, Houston got to six wins — if you only ...

The comet known as 3I/ATLAS is only the third object ever confirmed to come from another star system. Measuring roughly 5.6 kilometers across, it is racing past the Sun on a one-way journey, filled ...