Planets orbiting two stars at once, a world that sparked debate over the possibility of life, and another being vaporized by ...

When astronomers first cataloged some of the closest orbiting rocky exoplanets, they wrote them off as bare, airless cinders, ...

The newly identified cluster of Kuiper Belt objects lies about 4 billion miles from the Sun, offering fresh clues about how ...

Astronomers may have uncovered a massive hidden planet far beyond Neptune, using decades-old infrared data. The object’s ...

For the first time since Pluto was demoted, the idea of a true ninth planet is edging from speculation toward something ...

A newly identified group of icy bodies in the Kuiper Belt has left astronomers both surprised and intrigued. Led by Amir ...

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Planet, best known for providing geospatial intelligence through its satellites, sees an opportunity in orbital data centers ...

Scientists describe the findings as unexpected and puzzling, making this discovery a milestone in exoplanet research.

A new computational model suggests that Uranus' and Neptune's cores may be less icy than their "ice giant" nickname suggests.

Even most rocket scientists would rather avoid hard math when they don't have to do it. So when it comes to figuring out ...

The upcoming year will offer a blood-red moon, spectacular meteor showers and the first glimpse of the sun’s corona since ...