Do the periods of comets decrease because they lose mass every time they get near the Sun? Robert BaileyConover, Wisconsin ...

The star Vega has been known to us for years, but that doesn't mean it's short on surprises. Here's what astronomers found ...

NASA’s Goldstone Solar System Radar is closely tracking asteroid 2024 PT5 during its nearest approach to Earth, a distance ...

Astrophysicists have imaged a large number of exocomet belts around nearby stars, and the tiny pebbles within them. The crystal-clear images show light being emitted from these millimeter-sized ...

NASA's TESS exoplanet hunter has found the fastest-disintegrating planet ever. Losing a moons-worth of matter every million ...

Data from the James Webb Space Telescope and advanced computer models have classified a type of planet unlike any in our ...

Planets around other stars need to be prepared for extreme weather conditions, according to a new study from NASA’s Chandra X ...

Planets around other stars need to be prepared for extreme weather conditions, according to a new study from NASA's Chandra X ...

Pandora, a small satellite mission poised to provide in-depth study of at least 20 known planets orbiting distant stars to determine the composition of their atmospheres cleared an important milestone ...

Asteroids are rocky objects left over from the early days of our solar system, orbiting the Sun much like planets. While most ...

Giant planets orbiting close to their stars were thought to boot other planets out of their star system on the way in, but ...

The Webb telescope — a scientific collaboration between NASA, ESA, and the Canadian Space Agency — is designed to peer into ...