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 ...

After running a new kind of computer simulation, scientists believe the comet originated from a rarely seen corner of the ...

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

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 ...

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

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

ENTs occur when stars that are at least three times as massive as the Sun pass so close to a supermassive black hole that its ...

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

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

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