On May 20, 1990, the Hubble Space Telescope sent its first image to Earth. This photo turned out to be 50% sharper than ...

Take a look at the top seven breathtaking pictures of celestial wonders documented by the James Webb Space Telescope, which feature distant galaxies, star clusters, and other cosmic phenomena.

NASA’s Curiosity rover snapped pictures of a long-sought geological structure — dubbed “spiderwebs” — on the Red Planet that indicate a history of flowing water, the space agency announced.