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

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

In addition sending astronauts to fly around the moon, Earthlings can look forward to six of the eight planets parading across our skies.

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

Our Solar System has eight planets, a few dwarf planets and more than 200 moons. But wait. Are you seeing double? Or did ...

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 ...

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

By tracking tiny stellar wobbles, astronomers have detected planets forming around young stars for the first time.

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 ...

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