I/ATLAS, the interstellar object discovered in 2025, reveals the estimated population, composition, and distribution of ...

On Jan. 15, 2025, the Gaia spacecraft took its last image. Then the craft ran a final round of engineering tests, fired its ...

The interstellar visitor traces back to the Milky Way's violent heart. Discover the secrets of its 130,000mph galactic ...

Gaia data reveals signs of planets forming around young stars by measuring stellar motion, identifying planetary, brown dwarf, and stellar companions in early star systems ...

The Large Magellanic Cloud (LMC), one of the Milky Way’s closest companions, continues to astonish astronomers with its ...

The Milky Way was once a textbook example of how a spiral galaxy should form and evolve. Now a wave of new observations and ...

Astronomers believe the free-floating planet is around 22 percent the mass of Jupiter and lies 3,000 parsecs from the Milky ...

Scientists studying interstellar comet 3I/ATLAS say it may be older than the Sun and could have formed around a star that no ...

Not all planets are lucky enough to live in a neighborhood like our Solar System – some are doomed to roam the cosmos alone.

NASA’s Polarimeter to Unify the Corona and Heliosphere (PUNCH) mission launched in 2025 alongside NASA’s SPHEREx space ...

A NEWLY discovered rogue planet without a host star like the sun to orbit around has been detected dashing through space on ...

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