Spacecraft

Data from the James Webb Space Telescope and other observatories suggests a supervolcanic exomoon may lurk around the giant exoplanet WASP-39b

With the successful 11th test flight of its Starship megarocket, SpaceX is on the cusp of a new era in spaceflight

Texas lawmakers want to move the Smithsonian’s retired space shuttle to Houston. It’s “a vanity project that is apt to destroy a near-priceless American treasure,” one historian says

A fresh analysis of old data has found rich organic chemistry within the hidden ocean of Saturn’s moon Enceladus

Overcoming three recent failed tries, Elon Musk’s rocket company successfully flew its reusable jumbo booster and upper-stage Starship spacecraft

After a string of fiery failures, SpaceX’s biggest rocket faces another test flight with sky-high stakes for U.S. space ambitions

The U.S. planetary science community is sounding the alarm about plans to discard a nuclear technology that has powered dozens of NASA missions over the past 50 years

Satellite streaks are ruining astronomical images. Can scientists and space companies find solutions before it’s too late?

Spurred by competition from China and Russia, the Trump administration is pushing for nuclear power on the moon by 2030

Hundreds of staffers at the National Institutes of Health, Environmental Protection Agency, NASA and the National Science Foundation have signed public letters to leadership opposing the direction in which the agencies are headed

To achieve its ambitious plans for missions to the moon and beyond, Russia needs other spacefaring nations as partners. But the war in Ukraine is making that help increasingly hard to find

Spacecraft can get a significant boost by stealing energy from planets