Ed White remarked that returning to the spacecraft after his EVA was the saddest moment of his life. An iconic shot of Ed ...

While solitary black holes should be common, they are hard to find. The one in Sagittarius revealed itself when it passed in front of a dim background star, magnifying the star’s light and slowly ...

An iconic shot of Ed White during his historic first US spacewalk over New Mexico and southern California, June 3-7, 1965. The following is a transcript of the conversation between astronauts while ...

NASA's James Webb Space Telescope has captured an unprecedentedly sharp image of planetary nebula NGC 1514, revealing ...