Gravitational Waves

Why Can Black Hole Binaries Have Dramatically Different Masses? Multiple Generations of Mergers

Black hole mergers with very different masses tell us how small mergers can give rise to even larger ones.

1 day ago

The Moon is an Ideal Spot for a Gravitational Wave Observatory

A prestigious pair of astronomers have published a paper recommending that a gravitational wave observatory be built on the far…

2 weeks ago

A Black Hole Popping Out of a Traversable Wormhole Should Give Off a Very Specific Signal in Gravitational Waves

Gravitational wave astronomy has changed the way we view the cosmos. In only a few years we have observed the…

3 weeks ago

Why Pulsars Are So Bright

When pulsars were first discovered in 1967, their rhythmic radio-wave pulsations were a mystery. Some thought their radio beams must…

2 months ago

New Simulations Show How Black Holes Grow, Through Mergers and Accretion

One of the most pressing questions in astronomy concerns black holes. We know that massive stars that explode as supernovae…

2 months ago

Astronomers Detected a Black Hole Merger With Very Different Mass Objects

In another first, the latest gravitational wave event to be detected came from the merger of two black holes of…

4 months ago

NASA Chooses 4 New Astronomy Space Missions for Additional Study

NASA recently selected four new missions for development that will study gravitational waves, supernovae, relativistic jets, and exoplanet habitability.

5 months ago

14% of all the Massive Stars in the Universe are Destined to Collide as Black Holes

Einstein's Theory of General Relativity predicted that black holes would form and eventually collide. It also predicted the creation of…

6 months ago

A Mysterious Burst of Gravitational Waves Came From a Region Near Betelgeuse. But There’s Probably No Connection

Gravitational waves are caused by calamitous events in the Universe. Neutron stars that finally merge after circling each other for…

7 months ago

Just How Feasible is a Warp Drive?

At a presentation at this year's AIAA Propulsion and Energy Forum, engineer Joseph Agnew spoke of the progress being made…

11 months ago