NASA's next big eye on the cosmos is now fully assembled. On Nov. 25, technicians joined the inner and outer portions of the Nancy Grace Roman Space Telescope in the largest clean room at the agency's ...

Conventionally, the moon is thought to have formed during one big impact, but a three-impact model might make more sense ...

As the night grows long and the winter solstice approaches, there’s a host of astronomical events to watch out for, including ...

"A three-body problem is extremely complicated. Now we're dealing with four: the sun, Earth, the moon and Mars. The heavy ...

Billionaire private astronaut Jared Isaacman, President Donald Trump's pick to lead NASA, will tell senators on Wednesday ...

"During the early solar system's game of cosmic billiards, Earth was struck by a neighbor,” said Dauphas. “It was a lucky shot. Without the moon's steadying influence on our planet's tilt, the climate ...

Artemis 2's Space Launch System rocket core stage was fitted with 4 RS-25 engines at NASA’s Michoud Assembly Facility in New ...

Before me is an expansive, arid landscape—a realm of valleys, chasms, and crevasses, of steep cliffs and dusty soil, framed by distant mountains. It might as well be on the moon itself, save for the ...

Take a trip around the moon and back with the NASA Artemis 1 mission in this time-lapse of highlights from the 25 day mission ...

The ESCAPADE mission, which launched to space on a Blue Origin rocket on Thursday, breaks the mold of how planetary science missions typically come together. By Kenneth Chang Kenneth Chang went to ...

CAPE CANAVERAL, Fla. — Blue Origin launched its huge New Glenn rocket Thursday with a pair of NASA spacecraft destined for Mars. It was only the second flight of the rocket that Jeff Bezos’ company ...

Jeff Bezos’ Blue Origin has landed the booster of its New Glenn mega-rocket on a drone ship in the Atlantic Ocean on just its second attempt — making it the second company to perform such a feat, ...