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

Actor Melissa Rauch hit it big with her role on "The Big Bang Theory," but she had some struggles in her life before and ...

SPHEREx is slated to launch Feb. 27 on a SpaceX rocket. It is meant to map the entire night sky in infrared — something even ...

After decades of study, scientists sound genuinely optimistic about the possibility of detecting primordial black holes, which might explain dark matter.

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

Like stretch marks left on skin that expanded too quickly or cracks embedded in freezing ice, cosmic strings are artifacts of ...

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 ...