Satellite images taken more than three decades apart show the disappearance of Iceland's Okjökull, the first glacier to be ...

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

From the first picture proving that Earth was indeed spherical, to the first color image clicked from the lunar surface, check out these 7 historic images of Earth captured from outer space.

Less than one per cent of Australia's SKA-Low telescope is complete – but its first image reveals a sky dotted with ...

It's rare for any observatory to directly image a planet beyond our solar system, called an exoplanet, but the powerful James ...

The asteroid is hurtling towards us at a zippy 15,000 miles per hour, according to the space agency's Jet Propulsion Laboratory.

For an hour, HERA flew as close as 5,600 kilometers from the Martian surface, at a speed of 33,480 kilometers an hour. It ...

The pair waved and smiled as they emerged from the SpaceX Dragon, which splashed down off the coast of Florida.

A new study finds that climate change is already causing all sorts of problems on Earth, but soon it will be making a mess in ...

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

Former astronaut Chris Hadfield has explained what the readjustment period will be like for Barry Wilmore and Sunita Williams ...

Researchers have broken a distance record in quantum communication by sending a secret encryption key nearly 13,000 km from ...