Some 350 light-years away, the V1298 Tau system features an infant sun-like star, just 23 million years old, orbited by four ...

Skygazers, mark your calendars because one of the coolest celestial events is coming around again toward the end of February.

A free-floating planet drifting through space is being closely followed by scientists who are managing to find out more about ...

A decade of observations of four planets around the young planetary system V1298 Tau revealed a rare, long-sought missing ...

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

Protoplanetary disks are the birthplaces of planets, but few discoveries have stretched scientific expectations like IRAS ...

Add Yahoo as a preferred source to see more of our stories on Google. (AFP/Getty) Scientists have spotted a “rogue” planet floating on its own through space. Most of the planets we know are found ...

NASA’s Hubble Space Telescope captures visible and infrared images of protoplanetary disks, showing gas and dust structures ...

Scientists believe our solar system may be hiding a secret world — and it’s not the famous Planet X :eyes: A new study ...

The University of Arizona will serve as mission control for a newly launched space telescope designed to study distant ...

Around the bright star Fomalhaut, astronomers spotted glowing clouds of debris left behind by colossal collisions between ...

Spectacular clouds swirl across the surface of Jupiter. These clouds contain water, just like Earth's, but are much denser on ...