A new study casts doubt on the universe’s accelerating expansion, suggesting dark energy might be weakening over time.

Quasars acting as strong gravitational lenses are among the rarest finds in astronomy. Out of nearly 300,000 quasars ...

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

A team of physicists has unveiled a groundbreaking model suggesting the universe will stop expanding in 10 billion years and ...

Its most recent Data Release (DR2), based on the first two years of observations, contains precise measurements from nearly ...

A new study published in Monthly Notices of the Royal Astronomical Society suggests that the universe's expansion may be ...

Six Durham researchers have earned a place on one of the world’s most respected research rankings. Professors Carlos Frenk, ...

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

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

For more than 25 years, scientists have believed that the universe is expanding faster and faster, pushed apart by a ...