Our solar system is on the move, traveling at 828,000 km/h through a galactic structure most people don't know exists. This ...

Forget what you learned in school. The solar system isn't just a flat disc of planets it's a 3D bubble moving through space.

Astronomers have discovered that the sun had a close encounter with two blazingly hot massive stars around 4.4 million years ...

New 3I/ATLAS images from NASA and the ESA suggest the interstellar comet is active as it approaches Earth in December.

New images taken by the Hubble Space Telescope and a Jupiter-bound mission showcase interstellar comet 3I/ATLAS ahead of its close pass by Earth.

If you're going to Mars you'd best take along a jar of anti-aging cream because while you're there you're going to age faster ...

NASA's Jonny Kim and two cosmonauts are scheduled to leave the ISS today (Dec. 8) at 8:41 p.m. ET. Three astronauts will head ...

A newly-detected spinning galaxy filament is reshaping our understanding of cosmic structure, gas flows, and the origins of ...