Asteroids’ orbits around the sun may put them in collision paths with inner planets. We may have had a near-miss, but ...

Astronomers have discovered four planets that are just a fraction of the mass of Earth orbiting Barnard’s Star, which is 6 ...

NASA astronauts Suni Williams and Butch Wilmore returned to Earth after their trip home was delayed by nine months. Former ...

The Fram2 mission headed by a Chinese-born cryptocurrency entrepreneur and three of his friends is targeting Monday, March 31 ...

The "cosmic pinwheel" that astronomers feared could one day shower Earth with lethal gamma rays may not be as dangerous as ...

Sunita "Suni" Williams had an unexpectedly long stay at the International Space Station after her capsule malfunctioned.

All the excess carbon dioxide generated by people burning fossil fuels is shrinking the upper atmosphere, exacerbating the ...

Researchers found Earth's orbital changes align with past volcanic eruptions. Climate shifts and massive eruptions occurred ...

As civilizations become more and more advanced, their power needs also increase. It's likely that an advanced civilization ...

The NASA astronauts splashed down on Tuesday in a SpaceX capsule after problems with a Boeing vehicle set in motion a ...

Their first tracker is now in orbit. They plan to use a series of these to generate live maps of satellites big and small, fragments from old vessels, and debris as small as 5 cm.

SpaceX launched yet another batch of its Starlink internet satellites to orbit from Florida this afternoon (March 18). A ...