Boeing's Starliner had propulsion issues after launching on its first test mission with astronauts. Six weeks after the mission concluded, NASA is working on what to do next.
A Rolex watch that was flown to the moon is now the most expensive astronaut timepiece to sell at auction. The personal GMT-Master chronometer worn by Edgar Mitchell sold for $2.2 million.
The James Webb Space Telescope has observed 'inside-out' star formation in a galaxy just 700 million years after the Big Bang, fleshing out our understanding of the early universe.
On Oct. 11, 1984, Kathryn Sullivan became the first American woman to walk in space
A dazzling new image from the Hubble Space Telescope captures a bright spiral galaxy on a diagonal tilt, resembling a pendulum swinging back and forth through space.
A 14-year Hubble Space Telescope study suggests the universe was teeming with supermassive black holes. But how could that be?
An oddball galaxy in the early universe shines so brightly it outshines its stars.
NASA is streaming video views of Hurricane Helene today (as it approaches the U.S. Gulf Coast and you can watch it online.
