Some galaxies eject powerful streams of charged particles—jets—from their centers into space. The prominent jet of Messier 87 ...

"We've often seen the 'baby pictures' of planets forming, but until now, the 'teenage years' have been a missing link." ...

While it has become a word, laser used to be an acronym: “light amplification by stimulated emission of radiation”. But there is an even older technology called a maser, which is the ...

Observations with the Event Horizon Telescope enable researchers to localize the likely base of the central outflow in a ...

A decades-old idea is quietly regaining attention in theoretical physics: ancient structures embedded in the universe’s ...

Recent discoveries show that runaway black holes, moving at extraordinary speeds, are tearing through galaxies, leaving ...