"The combination of extreme disk size, strong asymmetries, winds, and potential planet formation makes it the perfect ...

The Hubble Space Telescope has captured a spectacular new image of the largest and most unusual protoplanetary disk ever ...

A four-planet system reveals remarkable insights about how planets form and how they change during their lifetime.

Which way is ‘down’ has a different answer depending on where you are on Earth, in the solar system, in our galaxy and beyond ...

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 ...

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, ...

Astronomers have captured an exceptionally rare view of young planets in mid-transformation, revealing how bloated, giant worlds may shrink into the most common planets in the galaxy. Astronomers have ...

Not all planets are lucky enough to live in a neighborhood like our Solar System – some are doomed to roam the cosmos alone.

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 ...

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.