gravitational waves

How Do Gravitational Waves Really Work?

Gravitational waves — ripples in the fabric of space-time — are a big deal in the world of science. Here's a video that helps explain how they work.

A New Era For Astronomy Has Begun

Astronomy is forever changed by the viewing of the collision of neutron stars; we can now watch these processes in many different ways as they run their course, says astrophysicist Marcelo Gleiser.