Scientists have long held that the universe is expanding at an ever-increasing rate, driven by a mysterious but measurable ...

Evidence suggests the universe’s expansion has started to slow, not accelerate. The results imply dark energy is weakening ...

The universe's expansion may actually have started to slow rather than accelerating at an ever-increasing rate as previously ...

It is widely accepted that the universe is expanding at an accelerating rate, but now researchers say our measurements of the ...

In a controversial new paper, researchers argue that the acceleration of the universe's expansion has slowed down.

Cosmology is already a complicated field of study, so switching up the variables is extra rough.

A remarkable new study challenges the findings of Nobel Prize winning research into how our universe has changed over time.

A newly filed permit is turning theme park fanatics' heads, detailing construction work at Universal Orlando's Epic Universe.

This NASA/ESA Hubble Space Telescope image features the spiral galaxy Messier 77, also known as the Squid Galaxy. CREDIT: ESA/Hubble & NASA, L. C. Ho, D. Thilker. Get the Popular Science daily ...