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’s Parker Solar Probe flew closer to the sun than any spacecraft ever has, surviving expected temperatures of 1,800 ...
The James Webb Space Telescope has captured imagery of interacting elliptical and spiral galaxies known as Arp 107. Credit: ...
NASA astronauts Suni Williams and Butch Wilmore are scheduled to begin U.S. Spacewalk 92 early Jan. 30. Suni Williams and ...
NASA's two stuck astronauts take their first spacewalk together since arriving at the space station last year.