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 ...

“New Horizons shattered a major paradigm of planetary science,” says Alan Stern, the mission’s principal investigator. “Pluto turns out to have as much complexity as Mars or Earth, so much so that I ...

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 ...

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

WEATHER AT YOUR SCHOOL WAS OUT OF THIS WORLD TODAY! OUR MARISSA VIGEVANI HEAD OVER TO ST ALBANS TOWN EDUCATIONAL CENTER TO ...

told Space.com. "That was based on some irregular motions, or apparent irregular motions, of [Uranus and Neptune]." He called this hypothetical world "Planet X." "In some ways, Pluto's more of a ...