Space Exploration

In searches for past and present Martian life, some scientists say we’ve been too cautious to see what’s right in front of us

The Psyche spacecraft flew by Mars earlier this year on its way to a metal-rich asteroid, capturing the images along the way

SpaceX’s first attempt to launch the company’s Starship megarocket on the vehicle’s 13th flight test ended before it could properly begin, aborting just before liftoff

Equipping spacecraft with x-ray machines could boost safety for long-duration spaceflights—like a crewed mission to Mars

The inaugural launch and first-stage booster recovery of China’s Long March 10B rocket intensifies the nation’s spaceflight rivalry with the U.S.

China’s Tianwen-2 aims to collect samples from asteroid Kamo’oalewa and return them to Earth

The space agency has put out a call for its Moon & Mars Exploration Analog, which recreates the challenges of a long-duration space mission

Three companies will receive a total of $600 million to executive four moon landings, laying the groundwork for a planned crewed outpost on the surface

Inside the quest to rescue NASA’s aging Swift observatory

Mars researchers are wrestling with the potential costs of a flashy new NASA mission to the Red Planet

Next summer, NASA’s Lucy spacecraft will start sidling up to several asteroids near Jupiter. On its way there, it has studied another space rock up close

A cold, cherry-blossom-hued exoplanet supports bizarre clouds chock-full of salts