Physicists discover that gravity can create light

Researchers have discovered that in the exotic conditions of the early universe, waves of gravity may have shaken space-time so hard that they spontaneously created radiation.

Ripples in fabric of universe may reveal start of time

Scientists have advanced in discovering how to use ripples in space-time known as gravitational waves to peer back to the beginning of everything we know. The researchers say they can better understand the state of the cosmos ...

It's time-out for leap seconds

Meeting in Versailles, France, on Friday, the Bureau International des Poids et Mesures (BIPM) has called time-out on "leap seconds"—the little jumps occasionally added to clocks running on Coordinated Universal Time (UTC), ...

Global timekeepers vote to scrap leap second by 2035

Scientists and government representatives meeting at a conference in France voted on Friday to scrap leap seconds by 2035, the organization responsible for global timekeeping said.

Can cosmic inflation be ruled out?

A team of astrophysicists say that cosmic inflation—a point in the universe's infancy when space-time expanded exponentially, and what physicists really refer to when they talk about the "Big Bang"—can in principle be ...

page 2 from 9