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

In the inner Solar System, it is second only to Earth for its amount of water. New analysis of Dawn’s data has revealed more regions rich in organic materials, which disfavor the idea that these ...

The second possibility is called cold migration ... things that look nothing like our own solar system. "Every time we think we really understand planet formation, we learn something new.

"This mission's trailblazing research is rewriting the textbooks on solar science by going to a place no human-made object ...

The Milky Way is a spiral galaxy and our Solar System is about half-way along one of its arms. Our Sun orbits the centre of the Milky Way at about 140 miles every second. It takes about 230 ...

Ganymede, Jupiter's largest moon and the solar system's largest, is bigger than Mercury and the dwarf planet Pluto, with a diameter of 5,268 kilometers.

The two exoplanets, or planets outside of our solar system ... Being part of a binary system — meaning there is a second stellar companion — also makes the new exoplanet find particularly ...