Scientists used the James Webb Space Telescope to check if another Earth-sized planet orbits Proxima Centauri, our nearest ...

In the remote outer reaches of planetary systems, far beyond the orbit of known planets, enormous and mysterious worlds silently loop around their stars. Some drift as far as 10,000 times the distance ...

Earth has one true moon, but there are also several asteroids known as quasi-moons that are in orbit with the sun. A newly discovered asteroid, 2025 PN7, is the seventh confirmed quasi-moon that ...

A newly discovered warp in the outer Solar System may have been created by a small, rocky world, much closer to the Sun than ...

Science fiction has had a field day with the idea that technologically advanced aliens might build a Dyson Sphere — a star-system-sized megastructure that encloses a whole star — or something similar, ...

When you buy through links on our articles, Future and its syndication partners may earn a commission. An illustration of a planet orbiting a white dwarf star. New research hints that planets like ...

Simulation in preparation for Sentinel-1D shows that satellites would be destroyed when faced with a super solar storm.

In our Solar System, the planetary orbits all have a similar orientation. Their orbital planes vary by a few degrees, but roughly the planets all orbit in the same direction. This invariable plane, as ...