LONDON  — The winners of the first ever Global Space Awards were revealed in a glamorous ceremony hosted by physicist and author Brian Greene on Dec. 5, during which the family of Apollo and Gemini ...

For the first time, astronomers have captured the brilliance of a superluminous supernova via gravitational lensing.

For generations, school posters have sorted the Solar System into tidy boxes: four small rocky planets near the Sun, two huge gas planets farther out, and, at the edge, a pair of “ice giants” – Uranus ...

Interstellar comet 3I/ATLAS is racing into the inner solar system, a rare visitor from deep space that will swing past our ...