The Keck Observatory has made a rare observation of an interstellar visitor, 3I/ATLAS, exhibiting unexpected solar dynamics.

"If the object is an alien spacecraft slowing down, and the anti-tail is braking thrust, then this change from anti-tail to ...

Elizabeth C. Babcock, who previously worked as president and CEO of the Smithsonian American Women's History Museum in ...

In the oldest municipal observatory in Iowa, a crowd gathers every Friday at 8 p.m. to learn about astronomy, history and ...

This week, the International Asteroid Warning Network (IAWN) announced a new campaign that will target 3I/ATLAS.

While researchers say they've found a potentially habitable planet, it'll take a new generation of telescopes to figure out ...

Comets Lemmon and SWAN are making their closest approach to the Earth tonight, Oct. 21. Here's how you might see them with ...

When treasure hunters Mario Renner and Henry Westphal turned on their metal detectors in 1999 and started sweeping the ground ...

Physicists have been chasing one of the universe’s strangest mysteries—neutrinos, nearly invisible particles that zip through ...

The Cincinnati Observatory is considered the birthplace of American astronomy.

From left, Lynn Villency Cohen; Douglas York, President, Stamford Museum & Nature Center board of directors; Melissa Mulrooney, SM&NC CEO; ...