The US military has revealed that the top-secret X-37B space plane returned to Earth in the dead of night after a mysterious 434-day mission.
Space and Ufo
Astronomers discover celestial 'three-body problem' lurking in outer solar system
A saucer-shaped Winnebago space capsule has landed in Australia, becoming the first in commercial space history.
NASA turns off Voyager instruments to extend life of two interstellar spacecraft: 'Every day could be your last.'
Space Photo of the Week: Hubble Hunts for Stellar 'Imposter' Hiding in Ursa Major
'We are disappointed with the outcome': NASA releases photo of Intuitive Machines' lunar module flipped on its side, destroyed 12 hours after landing
Watch: SpaceX Starship Explodes During Flight For Second Time This Year, Rains Fire On Florida
'It's not visible in computer simulations': Hubble maps Andromeda's chaotic history, and it's not what scientists expected
Powerful 'equinox auroras' could be coming soon: Why the changing seasons could bring better northern lights
Einstein's Unproven Theory of 'Gravity Memory' May Be Real After All, New Research Hints
The “Parade of Planets” ends with a rare conjunction of Venus and Mercury at sunset. Here's how to watch.
How to Photograph the Moon: Tips on Choosing Photography Equipment, Settings, and Composition
