While most planets that we are familiar with stick relatively close to their host star in a predictable orbit, some planets ...

Quite far beyond the Milky Way is a lone planet that astronomers found new information about. For the first time, scientists ...

Astronomers have finally weighed a wandering “rogue” planet, uncovering a Saturn-mass world flung into the galaxy after a ...

Astronomers just measured the mass of a free-floating planet without a star for the first time ...

By combining observations from Earth and the Gaia Space Telescope, astronomers weighed a lonely world wandering the Milky Way ...

Astronomers have identified a rare type of planet wandering through the Milky Way without a host star. Roughly the mass of ...

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

Your weight changes on other planets and moons due to different gravitational pulls. Weight is how much gravity pulls on you; mass (amount of matter) stays the same. Newton's Law of Gravitation ...

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

Planets may begin forming much earlier than scientists once believed during the final stages of a star s birth, not afterward. This bold new model, backed by simulations from researchers at SwRI, ...

The planet, if it is indeed a planet, is one of the most massive ever detected around a small star. When you purchase through links on our site, we may earn an affiliate commission. Here’s how it ...

A bizarre planet defies cosmic norms: scientists have confirmed a giant planet orbiting in reverse around one star in a close binary system—an arrangement previously thought impossible. Using advanced ...