"Precision in these measurements is critical, as even subtle discrepancies could signal deviations from the model — ...

Will the universe keep existing forever? An astrophysicist explains how scientists aren’t entirely sure, but they can make ...

It’s always amazing, and more than a little humbling, when the universe reminds us that our “common sense” is provincial, ...

We know how the universe began. An event we call the Big Bang started it all about 13.8 billion years ago. How the universe ends, though, is an open question. The path forward depends on the ...

No one knows what kicked off the Big Bang that eventually allowed the stars to begin forming. Adolf Schaller for STScI, CC BY How can a Big Bang have been the start of the universe, since intense ...

This story is part of our Cosmic Perspective series, in which we confront the staggering vastness of the cosmos and our place in it. Read the rest of the series here. In a sense, we are at the centre ...

If you look across space with a telescope, you'll see countless galaxies, most of which host large central black holes, ...

At last we know just how much the cosmos weighs. The answer shows that theories of the Universe’s origin are spot on, says cosmologist Jeff Peterson. Trouble is, we still haven’t a clue what most of ...

While it's much smaller than the largest supermassive black holes detected, it's still a whopper considering how early in the history of the universe it appeared. An enormous black hole in the early ...