Some are active, feeding on massive amounts of surrounding matter—sometimes as much as several suns per year. While most of ...

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

Astronomers watched as a galaxy with the forgettable name SDSS1335+0728 suddenly sprang to life when its massive black hole ...

In a spectacle that could rival Star Wars, astronomers have uncovered a breathtaking cosmic event dubbed the "Cosmic Joust," where two galaxies are merging 3.6 billion light-years ...

A message from an unrecognised number jumped out at me from my phone: ' Liz Truss here. Please can you give me a call.' Was ...

How can you tell when politicians are lying? Their lips are moving. It's a hoary old joke but it can still be guaranteed to ...

Dark matter is more than five times as abundant as all the visible matter in the universe. So why can't we see any of it?

The Army has announced the future of air assault: the MV-75, designed to sweep into battle at more than 320 mph, skimming ...

Besides particles like sterile neutrinos, axions and weakly interacting massive particles (WIMPs), a leading candidate for ...

For the first time, astronomers have witnessed a violent space collision between two galaxies. Dubbed a 'cosmic joust' by the ...

Explosions typically connected to black holes and dying stars may happen right in our planet's atmosphere, too.