Jessica Meir and Chris Williams of Expedition 74 did some preparatory work to install solar arrays.
NASA astronaut Butch Wilmore talks to PEOPLE about his near-death experience on the Starliner mission, which left him ...
The Van Allen probe's mission was meant to last two years, but ended up going for nearly seven.
The James Webb Space Telescope has revealed new details in a bizarre nebula that looks like a brain floating in space. Formed ...
NASA’s twin ESCAPADE spacecraft will uncover how the Sun stripped Mars of its atmosphere. Mars is a very different world ...
Two NASA astronauts will perform the first spacewalk of 2026 from the International Space Station. Here's how to watch.
Astronomers have tracked a powerful blast of radiation back to its source, finding a neutron star collision within colliding galaxies.
In 1990, NASA sent about 2,000 baby jellyfish into space to study how organisms develop in microgravity. When the mission returned to Earth nine days later, more than 60,000 jellyfish had grown — but ...