Researchers have found a planet orbiting a neighboring star that's similar to our sun. Alpha Centauri B is a staple of science fiction, because the star is so close to our own solar system. Now ...

Astrum. The Closest Planet Outside Our Solar System Is Within Reach. Posted: December 9, 2024 | Last updated: March 26, 2025. At just over 4 light-years away, Proxima Centauri is home to an ...

A newly discovered object, dubbed A11pl3Z, appears to be moving too fast and straight to have originated in the solar system.

The European Space Agency (ESA) said it is monitoring an unidentified object alongside Russia identified only as A11pl3Z as it hurtles at astonishing speed from outside the Milky Way ...

Scientists may have discovered a dwarf planet far beyond Neptune — an unearthing that may disprove a longstanding theory ...

Astronomers have discovered a rare in-sync solar system with six planets moving like a grand cosmic orchestra, untouched by outside forces since their birth billions of years ago. The find ...

CAPE CANAVERAL, Fla. — Astronomers have discovered a rare solar system in the Milky Way that boasts six planets orbiting in perfect rhythm like a cosmic orchestra, untouched by outside forces ...