Whether the Universe will 'end' at all is not certain, but all evidence suggests it will continue being humanity's cosmic ...

The surface of Earth is finite. We can measure it. If it was expanding, then its size would grow with time. And once again, ...

Scientists have many big questions to tackle about the universe, including how big it actually is. But even the proposed ...

After a century of observations spanning the breadth of the cosmos and theoretical insights that push humanity's vision of the universe to its utmost limits, we can finally, confidently say that the ...

The universe is expanding. That much is clearer. But it’s less clear whether this expansion is accelerating or slowing down.

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 ...

AUSTIN (KXAN) — A commonly held belief that the universe is rapidly expanding may be wrong. A new paper published this month suggests the universe’s expansion might be slowing down and it could mean ...

IT IS ONE of the biggest mysteries in cosmology—and getting bigger all the time. Ever since Edwin Hubble, an American astronomer, published observations of distant galaxies in 1929, scientists have ...

Our universe may have been born in a gravitational crunch that formed a very massive black hole—followed by a bounce inside it. The Big Bang is often described as the explosive birth of the universe—a ...