(RNS) — Speaking from the Vatican observatory, Jesuit Father Gabriele Gionti and Diocesan Father Matteo Galaverni outlined their hopes for unveiling the secrets of the cosmos. VATICAN CITY (RNS) — Two ...

In 2016, scientists documented the existence of gravitational waves in the universe, a phenomenon Einstein postulated 100 years before. With this discovery, they said, they could look back to the ...

We are in the midst of a puzzling war that has been raging for centuries. Both sides claim to be absolutely right while discrediting the other, and the battle rages on multiple fronts despite the ...

Cosmic inflation tries to describe one brief but crucial phase in the Big Bang that launched the universe onto its expansion course. Credit: Christine Daniloff / MIT / ESA / Hubble / NASA Many ...

Paul M. Sutter is an astrophysicist at SUNY Stony Brook and the Flatiron Institute, host of "Ask a Spaceman" and "Space Radio," and author of "How to Die in Space." First developed around a century ...

In 2016, scientists documented the existence of gravitational waves in the universe, a phenomenon Einstein postulated 100 years before. With this discovery, they said, they could look back to the ...