Spacecraft

Humans have been in space onboard the ISS continuously for 25 years. As the station nears its end, new commercial habitats are lining up to take its place

Astronomers are hustling to use interplanetary spacecraft to study the interstellar comet dubbed 3I/ATLAS while the sun is hiding it from Earth

Former NASA officials warn that the U.S. looks poised to lose its self-declared race to beat China to the moon

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