Mysterious little red dots threatened to overhaul modern cosmology—but new research may have solved the celestial conundrum.

After almost a decade playing the microbiologist Bernadette on “The Big Bang Theory,” Melissa Rauch knew exactly what she ...

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

The Big Bang Theory has nearly 300 episodes, and fans struggle to choose a personal favorite, but Season 2, Episode 3, “The ...

On December 25, 2021, the largest and most powerful space telescope, the James Webb Space Telescope, was launched into space ...

Bill Prady, co-creator of "The Big Bang Theory," revealed why the elevator in the series is broken and why it was never fixed ...

Like stretch marks left on skin that expanded too quickly or cracks embedded in freezing ice, cosmic strings are artifacts of what the universe looked like in the moments before it rapidly changed ...

A new study suggests that the explosive deaths of the universe's earliest stars created surprising quantities of water that ...

"The Hubble tension is now a Hubble crisis." The mystery of the Hubble tension has deepened with the startling finding that ...

Astronomers compile a large sample of an unusual class of objects in an effort to connect the dots to the early universe.

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

A team of astronomers sifted through James Webb Space Telescope data from multiple surveys to compile one of the largest ...