Astronomers have discovered a rare quadruple star system with two red dwarfs and two brown dwarfs orbiting together.

"This is the first quadruple system ever discovered with a pair of T-type brown dwarfs orbiting two stars," team member ...

Independent previous research has also proposed a similar Planet Y to explain the warp or other features in the TNO ...

As missions like Kepler and TESS discovered more rocky exoplanets in recent years, scientists looked forward to the launch of ...

Ceres is 590 miles (950 km) across and was discovered in 1801. It is the closest dwarf planet to the sun and is located in ...

The universe is full of wonders, but some worlds are downright deadly. From searing heat to violent storms, these planets make Earth look like a paradise. Many of them challenge everything we know ...

A new study suggests that the dwarf planet Ceres once supplied a steady stream of chemical energy and may have been habitable.

A Saturn-sized planet circling a tiny red dwarf is rewriting what scientists thought was possible in planetary systems.

New NASA research has found that Ceres may have had a lasting source of chemical energy: the right types of molecules needed ...

A billion or so years into its evolution, the icy dwarf planet Ceres may have had the right conditions to sustain life, which ...

The Solar System has a total of 419 known moons around planets. If we count dwarf planets, asteroids, and other worlds, the ...