Astronomers have discovered two new exoplanets that are similar to other worlds found in the Milky Way, but unlike any in our ...

We've known for over 30 years that there are other stellar systems in our galaxy, but we don't have any idea how many there ...

Astronomers have discovered a panoply of new moons orbiting Saturn, bringing the ringed gas giant's total up to 274 moons—far ...

IT'S been nearly 40 years since the first planet outside of our Solar System was discovered. Since then, more than 5,800 weird and wonderful worlds across 4,300 planetary systems have been located.

The majority of the extrasolar Jovian planets that have been discovered so far are closer ... the atmospheres of Jovian planets in other solar systems to be composed mainly of hydrogen and helium ...

"Our hope with this kind of research is to understand our own solar system, life, and ourselves in comparison to other exoplanetary systems, so we can contextualize our existence," Balmer said.

Faint signatures detected by the Canada France Hawaii Telescope have revealed 128 new moons around Saturn, making it the indisputable frontrunner for having the most moons in our solar system.

And indeed, a long way from Neptune and the Kuiper Belt is the Oort Cloud, a region that could mark with accuracy the farthest limit that has been discovered so far in the Solar System.

A newly observed interstellar comet is the most pristine visitor from outer space ever seen in our Solar System ... said that only one other comet - Hale-Bopp, discovered by amateur astronomers ...