"The temperature just wildly swings from extremely hot to extremely cold," John Monnier, a professor of astronomy at the ...

Simulations suggest Pluto and its largest moon may have gently stuck together for a few hours before Charon settled into a ...

NASA’s LEXI will study Earth’s magnetosphere from the lunar surface, uncovering how it responds to solar winds and cosmic ...

Billions of years ago, in the frigid outer reaches of our solar system, two icy worlds collided. Rather than destroying each ...

I pick out North America’s celestial highlights for the week ahead (which also apply to mid-northern latitudes in the ...

A large team of researchers with varied backgrounds at the Chinese Academy of Sciences has found evidence of a weak magnetic ...

Researchers at NASA’s Jet Propulsion Laboratory (JPL) have calculated a new system for measuring lunar time. While not needed ...

Captured from the ISS, a stunning image of the waning crescent Moon over Quebec showcases the distinct vantage point of space ...

New Yorkers will be able to see a total lunar eclipse and three consecutive supermoons over the course of the year's 12 full ...

The love story between Pluto and Charon may have started with a kiss. A new study suggests the dwarf planet and its scarcely smaller moon likely came together in a collision that saw them conjoined ...

Learn key facts about the Moon: from its significant distance and relative size compared to Earth to its distinctive color ...

"We were definitely surprised by the 'kiss' part of kiss-and-capture. There hasn't really been a kind of impact before where the two bodies only temporarily merge before re-separating!" ...