Spaceflight

They'll try again in a few days.

An appropriation bill signed into law Feb. 15 gives NASA $21.5 billion for fiscal year 2019, $1.6 billion above the administration's original request.

Why did the hominin cross the plain? We may never know.

Forget the Louis Vuitton, Chanel and Gucci knockoffs, what may be the must-have high-end bag replica this summer — 50 years after the first moon landing — is a Puntzi.

UK startup Orbex has unveiled a prototype of its small-satellite launcher, a device that the company hopes will be lofting spacecraft at a rate of once per month by the mid-2020s.

A harpoon designed to capture orbital junk has been successfully tested in space for the first time as part of the active debris-removal demonstration mission called RemoveDebris.

NASA's Opportunity Rover has died on Mars. Now what?

Who were the U.S. Navy's deep-diving "aquanauts"?

In a conversation with Space.com, former NASA astronaut Mike Massimino shared that he thinks it's about time that humans step foot on the lunar surface again.

NASA has another mobile robot on Mars. Why not launch a rescue mission?

Five sites on the far side of the moon have brand-new names, thanks to China's Chang'e-4 mission that touched down on Jan. 3 at a location now known as Statio Tianhe.

NASA is looking to commercial space companies to build the landers, space tugs and refueling station required to make moon exploration effort that lasts.

SpaceX has filed a protest over the award of a launch contract to United Launch Alliance for a NASA planetary science mission, claiming it could carry out the mission for significantly less money.