The winter solstice, at 3.03pm on Sunday, marks the shortest day and longest night of the year in the Northern Hemisphere ...

David Rankin of the Catalina Sky Survey in Arizona spends nights scanning the solar system for potentially catastrophic space ...

The IceCube Neutrino Observatory has detected a "high-energy neutrino emission from within the Milky Way," according to AAAS. Credit: IceCube Collaboration/Science Communication Lab for SFB 1491 ...

This mash-up of data from the James Webb Space Telescope and the Chandra X-ray Observatory reveals two galaxies mid-collision, with their spiral arms overlapping and bending toward their neighbors' ...

Scientists with the Hawaiian Volcano Observatory have installed a new monitoring camera at Kīlauea volcano to replace V3cam, ...

Interstellar comet 3I/ATLAS will fly by our planet at a safe distance of 1.8 astronomical units (roughly 167 million miles or ...

Cuba’s economy, dependent on cheap Venezuelan oil for decades, now struggles to function as a result of the U.S. military’s ...

Today is one astronomers, stargazers and alien conspiracy theorists have been waiting for: interstellar comet 3I/ATLAS is as ...

I/ATLAS has passed its closest point to Earth, meaning we will soon lose sight of it for good. Some scientists want to send a spacecraft to chase down the alien comet — or the next interstellar object ...

A new chapter in astronomy education has begun at Kitt Peak National Observatory with the grand opening of the Windows on the ...

The earlier two were ‘Oumuamua, discovered in 2017, and 2I/Borisov, found in 2019. For scientists, 3I/ATLAS is important because it gives a rare chance to study material from another star system ...

"I thought that Christmas gift, a real-life telescope, was about the best thing a boy could get," columnist Terry Woster writes.