NASA says a crew member on the International Space Station is unwell. The agency canceled a planned spacewalk for Thursday and is taking the rare step of ending the Crew-11 mission early.

For the first time ever, NASA has been forced to cut a mission to the International Space Station short due to a "serious medical condition."

A planned spacewalk outside the International Space Station was scrapped because of what NASA called a "medical concern" with an unidentified crew member.

NASA is ending its Crew-11 mission to the International Space Station a month early. The agency announced one of the four crew members has a "serious medical condition" and needs to return to Earth.

NASA's SPHEREx telescope unveiled its first full-sky map of the universe, combining more than 100 infrared observations into one dazzling mosaic. Half a year after first opening its eyes to the cosmos, NASA 's SPHEREx spacecraft has unveiled its first complete, all-sky mosaic of the universe.

Another view from Perseverance shows how windswept Mars' landscape truly is.

NASA begins demolishing outdated facilities in Alabama as new administrator Jared Isaacman launches major infrastructure modernization efforts for space exploration.

Several of NASA's space-based missions have observed Interstellar Comet 3I⧸ATLAS. As it approaches Mars, orbiters and rovers may catch a glimpse as well. Credit: NASA/JPL-Caltech