Spacecraft

A new theory tested on Apollo-era data suggests that high-speed moon dust could pose engineering hazards—and diplomatic headaches

The radioactive unit will help to deliver Europe’s first Mars rover to the planet’s surface

Years of careful planning helped safeguard against last weekend’s severe space weather, but we still don’t know how we’d cope with a monster event

Veteran spacefarer Don Pettit is set to launch this summer on a half-year mission to the International Space Station to perform novel science experiments, snap unique orbital photos, and much more

Sierra Space’s Dream Chaser is set to make its inaugural trip to orbit to deliver supplies to the International Space Station

Deepfake images, a delayed spaceflight, the troubles with space junk and a blast from our past.

After the spectacular success of the first-ever “Marscopter,” mission planners have soaring ambitions for follow-up flying machines

The solar system’s outer limits aren’t as clear-cut as you might think

NASA scientists spent months coaxing the 46-year-old Voyager 1 spacecraft back into healthy communication

Millions of human-made objects travel at high speeds in low-Earth orbit, polluting space and increasing the chance of collision with satellites and other spacecraft

Facing budgetary pressure for its Mars Sample Return program, NASA has turned to private industry for ideas—perhaps with one specific company in mind

How long can humanity’s artifacts endure on the lunar surface? A new installation from artist Jeff Koons is inadvertently putting this question to the test