Gravitational Waves

Gravitational Waves Could Show us the First Minute of the Universe

Astronomers routinely explore the universe using different wavelengths of the electromagnetic spectrum from the familiar visible light to radio waves…

1 month ago

The Echoes From Inflation Could Still Be Shaking the Cosmos Today

In the very early universe, physics was weird. A process known as "inflation," where best we understand the universe went…

3 months ago

Astronomers are Hoping to Detect Gravitational Waves Coming from Supernova 1987A

A supernova explosion is a cataclysmic explosion that marks the violent end of a massive star’s life. During the event,…

4 months ago

Next Generation Gravitational Wave Observatories Could Detect 100-600 Solar Mass Black Hole Mergers

Humans are born wonderers. We're always wondering about the next valley over, the next horizon, what we'll understand next about…

4 months ago

A Kilonova Simulated in 3D

In 2017, astronomers detected gravitational waves from colliding neutron stars for the first time: a kilonova. Enormous amounts of heavy…

4 months ago

If You Could See Gravitational Waves, the Universe Would Look Like This

Our biology limits our vision. Our eyes can only perceive specific wavelengths of light. But what if we could see…

5 months ago

It's Time for a Gravitational Wave Observatory in the Southern Hemisphere

All current and planned gravitational wave observatories are located in the northern hemisphere, in the US, India, Europe, and Japan.…

6 months ago

Pulsars Detected the Background Gravitational Hum of the Universe. Now Can They Detect Single Mergers?

After over a decade of observations of pulsars, astronomers could finally tease out the gravitational wave background of the Universe,…

6 months ago

Want to Find Colliding Black Holes? Check the Disks Around Quasars

The universe is awash in gravitational waves. The collisions of massive objects such as black holes and neutron stars generate…

8 months ago

Did the Pulsar Timing Array Actually Detect Colliding Primordial Black Holes?

With last week's announcement of the gravitational wave background detected by timing arrays, the assumption was that these are the…

8 months ago