NASA and the European Space Agency launched an astronomical revolution. When the Space Shuttle Discovery roared into the sky ...

The European Southern Observatory (ESO)'s Extremely Large Telescope is seen taking shape in this May 1 , 2025 photo captured directly above the construction site. Construction on ESO's Extremely ...

Astronomers have witnessed for the first time a violent cosmic collision in which one galaxy pierces another with intense ...

Astronomers caught a brutal act of cosmic violence for the first time—one galaxy piercing another with deadly radiation.

The pair — dueling it out 11 billion light-years away in space — has given astronomers their first detailed look at a galaxy ...

The quasar’s radiation is stripping away gas in its companion galaxy, leaving behind clumps too compact to form new stars.

Astronomers have for the first time observed a violent cosmic collision dubbed the 'cosmic joust.' This dramatic encounter ...

This event marks the first real-time observation of a black hole transitioning from a quiescent to an active state.

Astronomers witnessed two galaxies engaged in an intense deep-space battle for the first time. Watch the “cosmic joust” in ...

ESO's Extremely Large Telescope at Cerro Armazones in Chile's Atacama Desert is seen from directly above while its construction continues. | Credit: ESO/G / Vecchia The European Southern ...