Unexpected epochs of stillness that punctuate the cosmic timeline could offer a natural explanation for dark matter and many other unsolved astronomical mysteries ...

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

Sebastian Currier’s “Mysterium” is based on the husband-and-wife team of scientist Robbert Dijkgraaf and novelist Pia de Jong.

Dark energy is still a mystery, but powerful new telescopes are set to uncover clues. With NASA and ESA leading the charge, ...

These jets become elusive the farther back in time astronomers try to look because of the so-called cosmic microwave ...

A mere billionth of a trillionth of a trillionth of a second after the Big Bang, our universe expanded dramatically — a trillion-trillion fold. "And that expansion expanded tiny fluctuations ...

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