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 ...

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

NASA astronauts Suni Williams and Barry "Butch" Wilmore returned to Earth on Tuesday after spending some nine months in space ...

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

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

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

Greenhouse gas emissions could reduce drag in the upper atmosphere, leaving more space debris in orbit and making satellites ...

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

The growing release of greenhouse gases into the atmosphere could pose a serious threat to the future of space operations, ...

Low earth orbit satellites can provide expanded coverage options to contact triple zero when land-based mobile networks are ...