On Saturday (Jan. 10), for example, we will see three satellites on one side of Jupiter (going outward from the planet: Ganymede, Io and Europa ), while the fourth ( Callisto) remains all by itself on ...

Jupiter, as always, is a dazzling object, shining among the stars of Gemini the Twins. It reaches opposition on Jan. 10; this ...

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

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

Choose your fighter for the origin of water on Earth! Was it always here or did it come to this planet from somewhere else in ...

Fresh off the excitement of the Perseids meteor shower is a chance to see six planets lined up in the sky at once. These events, colloquially known as planet parades, occur occasionally with the most ...

It was one of humanity’s greater vanities that we ever questioned whether there are any planets in the universe beyond the eight in our little solar system. Our sun is a perfectly ordinary star, ...

Finding‍‌‍‍‌‍‌‍‍‌ planets that are outside our solar system, called exoplanets, has changed the way we see the cosmos and our place in it. These faraway planets are extremely hard to find because they ...

Researchers have confirmed the mass of a free-floating planet thanks to a lucky convergence of ground- and space-based ...

A newly discovered exoplanet is rewriting the rules of what planets can be. Orbiting a city-sized neutron star, this ...

Forbes contributors publish independent expert analyses and insights. An award-winning reporter writing about stargazing and the night sky. NASA’s Hubble Space Telescope has snapped new images of the ...

Most of the planets we’ve identified are in orbit around stars and formed from the disks of gas and dust that surrounded the ...