The James Webb Space Telescope has captured imagery of interacting elliptical and spiral galaxies known as Arp 107. Credit: ...

Certain extreme planets are called ultra-short period objects if they're very close to their stars and orbit them in mere hours, like K2-22b.

NASA astronaut Matthew Dominick shared this amazing time-lapse captured from the International Space Station. Credit: Space.com | footage courtesy: NASA / Matthew Dominick | edited by Steve Spaleta Mu ...

NASA's two stuck astronauts take their first spacewalk together since arriving at the space station last year.

NASA’s Parker Solar Probe flew closer to the sun than any spacecraft ever has, surviving expected temperatures of 1,800 ...