The fireworks set off across Los Angeles were so bright, astronauts spotted them from space. The International Space Station, ...

When massive stars die, they unleash some of the most powerful explosions in the universe. Yet not all supernovae are created ...

A strange "chirping" signal from a distant supernova has revealed the birth of a magnetar, confirming that these incredibly magnetic neutron stars can power the universe's brightest stellar explosions ...

NASA's Hubble Space Telescope has captured a spectacular red, white, and blue view of one of the Milky Way's oldest star clusters to celebrate the nation's 250th anniversary. Hidden within the ancient ...

NASA is lighting the cosmos in red, white and blue in honor of the 250 t h birthday of the United States—and the show even ...

A spacecraft rocketed into orbit Friday to rescue a NASA telescope that is in danger of crashing back to Earth.

A rush rescue mission to save a NASA space telescope remains grounded, this time because of a last-minute launch problem ...

Informed by science from the Smithsonian Astrophysical Observatory and astronomers worldwide, this “documentary that you can walk through” visualizes the cosmos in a 3-D introduction to the universe ...

Betelgeuse shocked astronomers in 2019 when it suddenly dimmed, sparking speculation that the red supergiant was nearing its final act. New observations suggest the star may have violently blasted ...

The audio version of this article is generated by AI-based technology. Mispronunciations can occur. We are working with our partners to continually review and improve the results. A meteorite captured ...

Sunday Cocktail Corner is a series dedicated to finding just the right libation for the situation. It was a portentous week for the future of American space exploration, there’s no doubt about that.