Galaxy merger Arp-Madore 417-391 is on display in this new image captured by the Hubble Space Telescope's Advanced Camera for ...

A mysterious object the size of Manhattan, originating from outside our Solar System, has been spotted by astronomers.

The newly observed binary system features a cataclysmic variable star, designated GOTO0650, which is in a rarely seen late stage of its evolution. This was also the first major discovery for the ...

This image from the Hubble Space Telescope shows the massive galaxy cluster Abell 1351, located in the constellation Ursa ...

The shattered star at the center was once a white dwarf, a stellar ember no larger than Earth, yet almost as heavy as the Sun ...

The first ever recorded 'planet with a death wish' orbits so close to its host star that it triggers huge flares of radiation ...

Scientists at the European Southern Observatory (ESO) have tracked the first-ever visual proof of double detonations in white ...

It appears our solar system is getting more popular with out-of-towners. Astronomers have found a third interstellar object, ...

Moving Discovery was the goal of legislation brought earlier this year by Texas Republican Sens. Ted Cruz and John Cornyn, ...

The Hubble Space Telescope searches the universe to understand how planets, stars, and galaxies form. Recently, it captured ...

The Bezos-backed MethaneSAT satellite has been declared "likely not recoverable" after losing contact with controllers just ...

The object, a celestial body from another star system, was discovered on Tuesday by the University of Hawaii’s Asteroid ...