Could the Universe Ever Stop Expanding? New Theory Suggests Cosmic 'Off Switch'
Space and Ufo
How many moons are there in the solar system?
128 new moons have been discovered orbiting Saturn, nearly double the ringed planet's total number of moons.
Full Moons 2025: When is the Next Full Moon?
Launch! NASA Launches SPHEREx Telescope, Infrared Observatory That Will Help JWST Unravel Mysteries of the Universe
A giant extraterrestrial 'wave' hit Earth 14 million years ago and may have radically changed our planet's climate
Evidence for Stephen Hawking's unproven black hole theory may have just been found – at the bottom of the sea
Water in the universe is billions of years older than scientists thought, and may be almost as old as the Big Bang itself.
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.
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.'
