Scientists watching the nearby Fomalhaut star system have directly seen two protoplanets smash together for the first time. Then, they saw it happen again.

When you look up at the night sky, planets seem calm and fixed. But a new study shows that nearby planetary systems can be ...

Astronomers discovered a new moon of Uranus and hundreds of moons around Saturn over the past year, and there may be many ...

In 2025, astronomers sharpened their view of the planetary system around Proxima Centauri — the sun's closest stellar ...

A new computational model suggests that Uranus' and Neptune's cores may be less icy than their "ice giant" nickname suggests.

Astronomers have discovered a bizarre carbon-rich planet orbiting a neutron star, PSR J2322-2650b, with soot clouds and ...

Two rare cosmic collisions around the young star Fomalhaut were caught by space telescopes, offering new clues about how planets form.

Scientists have discovered a giant cosmic filament where galaxies spin in sync with the structure that holds them together.

Red giant stars are known to have stellar winds far more powerful than those of the Sun. It was thought that the light these stars produce powered the winds, pushing grains of dust made up of carbon ...