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

The giant planets weren't always where we find them today. Jupiter, Saturn, Uranus and Neptune formed in a more compact configuration and later underwent a violent reshuffling that scattered them to ...

Mercury has long baffled astronomers because it defies much of what we know about planet formation. A new space mission ...

Meteor showers, eclipses, a planetary parade and 13 full moons will be visible in the night sky in 2026. Here’s when to see ...

The International Astronomical Union (IAU) defines a planet as a celestial body orbiting the Sun, possessing sufficient mass for a nearly spherical shape, and having cleared its orbital neighborhood ...

Astronomers have repeatedly observed events near a distant star that mirror processes from the early solar system’s ...

Astronomers are closing in on one of the most tantalizing possibilities in planetary science, evidence that a previously ...

Skywatchers worldwide can anticipate a convergence of rare celestial phenomena, including three solar eclipses, a vivid blood ...

CAPE CANAVERAL, Fla. — Astronomers have discovered a rare solar system in the Milky Way that boasts six planets orbiting in perfect rhythm like a cosmic orchestra, untouched by outside forces since ...

Jupiter is the largest planet in the solar system, known for its massive size, strong gravity, powerful storms and many moons ...

Ever wondered how planetary systems like our own solar system form? Thanks to the European Space Agency's Gaia space ...