Some 22,500 miles above Earth, a spacecraft filled with thruster fuel will gas up two orbiting Space Force assets.

The James Webb Space Telescope (JWST) has been studying the scene of a dramatic collision between a star and its planet, but ...

K2-360 is a newly found planetary system with a super-dense planet, likely the core of a former larger world, shaped by ...

Combining with one other previously confirmed planet, one of our closest stellar neighbors now has a family of four.

A team from the University of Bern and the National Center of Competence in Research (NCCR) PlanetS has developed a ...

Astronomers have confirmed the existence of four rocky planets orbiting Barnard’s Star, our nearest solitary stellar neighbor ...

Saturn has 128 more moons than astronomers previously thought - The sixth planet from the Sun now has a grand total of 274 ...

A new mission concept that would see a fleet of telescopes probing rocky planets in their stars' habitable zones should be ...

NASA has discovered a new world, named Gliese 12 b. It is roughly the size of Earth, lies in the habitable zone, and orbits every 12.8 days.