SpaceX Demo-1: 'Go' for Launch

Two days remain until the planned liftoff of a SpaceX Crew Dragon spacecraft on the company’s Falcon 9 rocket—the first launch of a commercially built and operated American spacecraft and space system designed for humans.

Curiosity Drives Over a New Kind of Terrain

The Curiosity Mars Rover took this image with its Mast Camera (Mastcam) on Feb. 10, 2019 (Sol 2316).

Earnest C. Smith in the Astrionics Laboratory in 1964

Earnest C. Smith in the Astrionics Laboratory in 1964.

Alvin Drew Works on the International Space Station

NASA astronaut Alvin Drew participated in the STS-133 mission's first spacewalk.

Hubble Peers into the Vast Distance

This picture showcases a gravitational lensing system called SDSS J0928+2031.

Good Morning From the Space Station!

Good morning to our beautiful world, said astronaut Anne McClain from aboard the Space Station on Feb. 21, 2019.

Countdown to Calving at Antarctica's Brunt Ice Shelf

Cracks growing across Antarctica’s Brunt Ice Shelf are poised to release an iceberg with an area about twice size of New York City. It is not yet clear how the remaining ice shelf will respond following the break, posing an uncertain future for scientific infrastructure and a human presence on the shelf that was first established in 1955.