NASA's Curiosity Rover reveals stunning new images of another world. Curiosity, a car-sized robotic rover featured in Destination: Mars, landed on the red planet in August 2012. As Curiosity makes ...

Astronomers have discovered four planets that are just a fraction of the mass of Earth orbiting Barnard’s Star, which is 6 ...

Known as SIMP 0136, the $10 billion James Webb Space Telescope caught a glimpse of it floating through the universe all by ...

From his perch 400 kilometres above Earth, French astronaut Thomas Pesquet has had a unique perspective on the climate-fuelled natural disasters that have swept the planet over the past six months.

A new study presents a compelling new model for the formation of super-Earths and mini-Neptunes -- planets that are 1 to 4 times the size of Earth and among the most common in our galaxy.

"Hearst Magazines and Yahoo may earn commission or revenue on some items through these links." Today’s moons, planets, and dwarf planets formed from a proto-planetery disk surrounding our Sun 4.6 ...