The finest ever map of the cosmic microwave background - the faint evidence of the universe's early form - has yielded ...

The two 'stranded' NASA astronauts will return home on Tuesday (Mar 18) thanks to the successful launch of a replacement crew ...

NASA’s newest space telescope rocketed into orbit Tuesday to map the entire sky like never before — a sweeping look at hundreds of millions of galaxies and their shared cosmic glow since the beginning ...

NASA astronauts Sunita Williams and Butch Wilmore, stranded at the International Space Station for over nine months, will ...

NASA astronauts Suni Williams and Butch Wilmore begin their 17-hour return journey to Earth after 9 months aboard the ISS. Follow Newsweek's live blog.

Jenniskens and Devillepoix find that low iron (L chondrite) and very low iron (LL chondrite) meteorites come to us primarily from the inner main belt. Scientists have long linked the LL chondrites to ...

The Canadian-built Atacama Cosmology Telescope in the high Chilean desert mountains, which has just given up its final batch ...

NASA astronaut Don Pettit captured this stunning long-exposure view of Earth and stars from space at night from the International Space Station.

Suni Williams and Butch Wilmore returned to Earth in a SpaceX capsule after problems with a Boeing vehicle set in motion an ...

NASA’s two stuck astronauts are heading back to Earth on Tuesday after more than nine months in space. Here's what to know.

NASA astronauts Sunita Williams and Butch Wilmore are returning to Earth on March 18, after over nine months on the ISS. They ...

The James Webb Space Telescope has captured its first direct images of carbon dioxide in a planet outside the solar system in HR 8799, a multiplanet system 130 light-years away that has long been a ...