Skywatchers across nine northern U.S. states have a rare chance to witness a dazzling display of the aurora borealis this ...

Experts say the sight of satellites burning up on re-entry to the atmosphere will become more common as more man-made objects are launched.

A violent tornado tore through a US state, shredding homes with 170 mph winds and carving a deadly path of destruction that ...

Mind-boggling beauty abounds in photographs from around the globe submitted to this year's Milky Way Photographer of the Year ...

Noctilucent clouds, Earth's highest clouds, shine blue in the twilight sky from late May to August in the northern hemisphere ...

A groundbreaking new supercomputer model shows how magnetic fields shape the turbulent flow of charged particles in space.

DARPA announces new program, "Rads to Watts," which looks to revolutionize humanity's exploration and expansion of space.

The Falcon 9 rocket sent up Starlink 12-15 mission from Space Launch Complex 40 at Cape Canaveral Space Force Station at ...

My telescope, set up for astrophotography in my light-polluted San Diego backyard, was pointed at a galaxy unfathomably far ...

But when scientists peer very far back, they find conundrums. JWST observations of the distant past are at odds with ...

On what might have been the proudest day of Jack Burns’s long career in astronomy, he was sitting on a beach. Orbital ...

Jumping back in time, Thuban was positioned as a North Star some 4,700 years ago, as early civilizations thrived in ...