I/ATLAS is just the third-ever interstellar object confirmed to be from outside the solar system and which we have telescopes ...

May the oldest comet on record also be one of the most bizarre? The interstellar visitor 3I/ATLAS, found on July 1, 2025, is rewriting the book on what a comet from outside our Solar System will do.

The system — known as UPM J1040−3551 AabBab — consists of a pair of cold brown dwarfs orbiting a pair of young red dwarf ...

In the past decade, the European Space Agency's Gaia space telescope has revealed the nature, history, and behavior of ...

If you thought the Milky Way was grandiose in size, Quipu takes center stage right away. Quipu is the nickname for an immense ...

Two of the objects in the arrangement are cold brown dwarfs, which will serve as a benchmark for others throughout the Milky ...

The study reveals that DFK 52, a red supergiant star, has shed a significant amount of mass, creating a vast bubble of gas ...

A shooting star streaks across the Milky Way's luminous arm, its brilliant trail dissolving into the velvet darkness that ...

High in the Milky Way, a dying giant has thrown astronomers a cosmic curveball. A star known as DFK 52, sitting in the ...

Astrophysicist Edwin Hubble was offered a staff position at the Mount Wilson Observatory in 1919 by the founder and director ...

Our Milky Way is one of more than 100 galaxies bound together by gravity.

In a groundbreaking study published in the Astrophysical Journal Letters, scientists have reevaluated the nature of Ursa ...