Astronomers have found new evidence that a mysterious ninth planet may be hiding at the edge of the solar system - rewriting what we know about the cosmos again.

Travel through time to witness some of the most remarkable episodes in our solar system's history, uncovering its ancient ...

In our own solar system, for example, the largest gas giants Jupiter and Saturn have a combined 369 natural satellites at the latest count, including sizable moons such as Titan, Europa, Io ...

Aliens may have been closer to Earth than first thought. New research from NASA reveals that Ceres, the dwarf planet in the ...

An intriguing finding indicates the possibility of life outside our solar system.

Recently, a group of scientists claimed they found possible signs of life on a planet called K2-18b. The news made headlines. Researchers said they'd detected sulphur-based gases that, on Earth ...

A large lunar crater featured in the iconic 'Earthrise' photo has just helped the European JUICE spacecraft hone its alien-hunting instruments during a once-in-a-lifetime flyby.

complex web of life-forms, like scifi writers dreamed up for Avatar's Pandora, points out Limbach. She says that while researchers have found signs of moons outside our solar system, these moon ...