NASA is monitoring a bus-sized asteroid as it makes its closest approach to Earth today, among a group of five space rocks ...

New Southwest Research Institute-led modeling indicates the main belt asteroid (52246) Donaldjohanson may have formed about 150 million years ago when a larger parent asteroid broke apart; its orbit ...

Europe's ESO astrophysics agency said Monday that a giant green energy project billed for Chile's Atacama desert—home to the world's darkest skies—will spoil its view of the stars and threaten its ...

Magdrive is working on three versions of its space thrusters, and because they run on solid metal, they might one day even be powered by space junk collected directly in orbit, turning it from threat ...

Supernovas are powerful explosions marking the death of massive stars. They spread elements like carbon, calcium, and iron ...

New Southwest Research Institute-led modeling indicates the main belt asteroid (52246) Donaldjohanson may have formed about ...

Images from the Hera mission show the object in remarkable detail — a small island gliding above the crater-scarred Martian ...