SpaceX engineers tested Ship 39's propellant system, leading to some stunning images.

A new type of flame produced on the International Space Station (ISS) doesn’t just look cool with its spherical blue glow—it is cool. Cool flames, which burn at temperatures much lower than ...

There's always something happening in space, and humanity is documenting it more quickly and clearly than ever before. Orbiting telescopes, astronauts and spacecraft are sending back a stream of ...

April 12, 2024 Add as a preferred source on Google Add as a preferred source on Google We may earn a commission from links on this page. If you’re one of the millions of Americans who looked at the ...

NASA’s Spitzer Space Telescope is about to use its last drop of the coolant that has chilled it for the past five-and-a-half years. On about May 12, give or take a week or so, the observatory is ...