The Vera C. Rubin Observatory in Chile has begun generating test images of the night sky, but the big reveal is expected ...

From Lowell Observatory to Kitt Peak to Mount Graham, here are the 11 best planetariums and observatories in Arizona and everything you can do there.

Photos from the Mount Washington Observatory show the amount of snow that was lost in a 24-hour period amid the warm April temperatures.

A newly discovered comet, called C/2025 F2 (SWAN), may have disintegrated. But the remnants are still visible.

Organizers say the demonstrations are expected in cities across the U.S., focused on different issues and with ‘day of action ...

A former member of the Washington Post editorial board accused a colleague of robbing him of his humanity and confessed to going to HR over a line in an editorial he disagreed with, according to a ...

VIDEO: Scientists at the Mount Washington Observatory said recent freezing rain and glaze ice conditions made Monday a ...

In the Royal Greenwich Observatory Archives at Cambridge University Library, one man's papers take up a staggering 110 meters of shelving. In a new article from Isis: the Journal of the History of ...

Pictured are students participating in last year’s Space STEM Camp put on through a partnership between the Martz-Kohl Observatory and Falconer Central School. Registration for this year’s camp is ...

The Trump administration is in the early stages of planning for a military parade to take place in Washington, DC, in June to commemorate the Army’s 250th anniversary, two defense officials told ...