Astronomers have identified a quasar that may help explain how the universe’s “dark ages” finally ended. Astronomers have ...

DURHAM, N.C. — Our cosmic neighborhood is revealing an uncomfortable and unexplainable truth: the universe seems to be ...

"The large volume of data from Rubin will give us a sample of all kinds of Type Ia supernovas at a range of distances and in ...

Recent research has unveiled a troubling and persistent mystery at the heart of modern cosmology: the universe is expanding at a faster rate than expected, a finding that challenges our fundamental ...

"This process is like a cosmic CT scan, where we can look through different slices of cosmic history and track how matter clumped together at different epochs." ...

To celebrate the 100-year Edwin Hubble discovery that Andromeda was a galaxy outside our own, astronomers release the most ...

On March 15, 2024, a space-based observatory detected bursts of low-energy X-rays from deep in the ancient universe, ...

New research confirms the Universe is expanding faster than theoretical models predict, intensifying the Hubble tension.

Astronomers have been confounded by recent evidence that the universe expanded at different rates throughout its life. New ...

Computer algorithms can model the universe, matching simulations to observations and revealing the distribution of dark ...

A fast radio burst, or a strong pulse of energy, was tracked to a distant long-dead galaxy that astronomers never thought ...