Scientists have confirmed that colossal collisions between galaxies trigger titanic eruptions in the centers of those ...

If you feel a thrill every time we discover something new about the cosmos, then November 25th may have been a noteworthy day ...

Comet C/2025 R2 (SWAN)'s backdrop is dominated by the Eagle Nebula — a vast cosmic structure of dust and hydrogen-rich gas ...

The comet is the third object ever confirmed to have entered our cosmic neighborhood from elsewhere in the galaxy. Space ...

A team of astronomers including George Washington University physics Ph.D. student Eliza Neights recorded an extraordinary ...

High up in the Chilean Andes, the Extremely Large Telescope (ELT) is set to become the world's largest optical telescope and ...

Before 3I/ATLAS, the only other confirmed interstellar tourists we've seen were the now-famous, cigar-shaped 'Oumuamua' in ...

Most scientists agree the prolonged flash likely occurred when a black hole ate a star, but two other ideas can't be ruled ...

The Hubble Space Telescope has made multiple observations of exoplanet WASP-121 b, also known as Tylos. The extreme ...

Interstellar comet 3I/ATLAS is approaching Earth on December 19 but NASA has clarified that it does not pose any threat to ...

NASA's Hubble Space Telescope has once again observed the interstellar comet 3I/ATLAS, revealing intriguing details about this visitor from outside our solar system.

NASA has completed assembly of the Nancy Grace Roman Space Telescope, preparing for final testing and launch by May 2027 to ...