The astronomical community is abuzz over a newly discovered "interstellar object," only the third of its kind ever seen, ...

However, new research has shown this potentially "water ice-rich" visitor could be even more extraordinary than initially ...

Observations from NASA’s Juno spacecraft reveal that Jupiter’s strong magnetic field and the unique properties of its plasma ...

Astronomers have traced a mysterious blast of X-rays to a star that, like a cosmic action hero, just refused to die.

Names are a strange thing in astronomy. Sometimes scientists come up with grandiose, simple name, like the Extremely Large ...

A team led by the Italian National Institute for Astrophysics discovered the most distant known fossil galaxy — a relic of ...

Formed around a distant star elsewhere in the Milky Way, it is an interstellar wanderer, not a merely interplanetary one.

When white dwarfs—the hot remnants of stars like our sun—are orbited closely by another star, they sometimes steal mass away ...

Stars often die with a final burst of beauty. For the first time, astronomers have captured visual proof that a star can ...

Newfound interstellar object 3I/ATLAS may be carrying pristine material from early in the Milky Way’s star-forming history.

Only a few dozen of these short-lived binaries exist in the galaxy at a time, making the serendipitous find extremely ...

Long theorized but never observed, the first known “planet with a death wish” is described by Ilin and her colleagues in a ...