Breaking space news, the latest updates on rocket launches, skywatching events and more! He called this hypothetical world "Planet X." "In some ways, Pluto's more of a planet than some of the ...

The gas giants outside our solar system are not capable of hosting extraterrestrial life, but do offer clues in a lingering ...

Butch Wilmore and Suni Williams have nearly half a century of combined experience as astronauts. But this is just their third ...

The SPHEREx telescope will create the most colorful map of the cosmos, while the four satellites of the PUNCH mission track ...

Whether they show the moons of Jupiter, the rings of Saturn, or the icy surface of Pluto, these captivating ... fields of many moons and planets, as well as the space beyond them.

Urban legends take a cosmic twist as planets are anthropomorphized in this intriguing piece. Each planet exhibits unique, ...

Defy gravity with out-of-this-world space trivia collected from the National Aeronautics and Space Administration ...