Using data from space telescopes and other instruments, astronomers, cosmologists, and astrophysicists are able to deduce and ...

ACT's new measurements have also refined estimates for the age of the universe and how fast it is growing today. The infall of matter in the early universe sent out sound waves through space, like ...

If this scenario plays out, “the world as we know it would collapse like a house of cards,” says one theoretical physicist.

A year ago, in celebration of the 34th anniversary of the launch of NASA’s legendary Hubble Space Telescope in 1990, astronomers took a snapshot of the Little Dumbbell Nebula. Also known as Messier 76 ...

That’s 10 million times longer than the present-day age of the universe. All this means is that dark matter—whatever it is—may have arrived on the cosmic scene before the universe as we know ...

These charged primordial black holes would then have considerably extended lifetimes, many multiples of the current age of the universe. This means that those black holes could still inhabit the ...