There is an important and unresolved tension in cosmology regarding the rate at which the universe is expanding, and ...

The universe's expansion means its size is bigger than its age suggests. The universe's expansion doesn't have a speed limit like objects within it. Distant galaxies move away from us as space itself ...

The Atacama Cosmology Telescope is a collaborative project led by Penn and Princeton researchers (Photo Courtesy of ACT Collaboration). The Atacama Cosmology Telescope — a National Science ...

With the grand opening of Epic Universe this week, Peacock invites you to take a look behind-the-scenes in a first look clip from the 3-part documentary series centered around the theme park expansion ...

Evidence now suggests the universe’s expansion has started to slow, not speed up. The findings imply dark energy is weakening, marking a possible revolution in cosmology. A groundbreaking new study ...

The universe is expanding faster and faster, but not all scientists agree that dark energy is the cause. Perhaps, instead, our universe keeps colliding with and absorbing smaller 'baby universes,' a ...

The universe may have been born out of nothing, with an "anti-universe" twin where time runs in the opposite direction—rather than exploding from an infinitely small and dense point, or "singularity." ...

A panel of physicists and astronomers grapple with possible cracks in our modern creation myth, the standard model of cosmology. JWST’s image of spiral galaxy NGC 628, which is 32 million light-years ...

Did The universe really begin with a bang, a bounce? The theory that the universe is both possibly having endured a sudden contraction and then bounced into the expanding universe we know today is not ...

There's always a touch of melancholy when a chapter that has absorbed years of work comes to an end. In the case of the ...