Gravitational Waves

In Addition to Gravitational Waves, is There any way to Detect Merging Black Holes

If two black holes merge in the middle of space, and nobody's around to see it, does it really happen?…

1 year ago

Neutron Stars Have Mountains, They’re Just a Fraction of a Millimeter High

The universe has some very extreme places in it - and there are few places more extreme than the surface…

1 year ago

Gravitational-Wave Detector Could Sense Merging Primordial Black Holes With the Mass of a Planet, Millions of Light-Years Away

A new idea for detecting gravitational waves might allow us to discover planet-mass primordial black holes.

1 year ago

Black Hole-Neutron Star Collisions Could Finally Settle the Different Measurements Over the Expansion Rate of the Universe

If you've been following developments in astronomy over the last few years, you may have heard about the so-called "crisis…

2 years ago

One Idea to Explain Dark Matter – Ultralight Bosons – Fails the Test

A study of rotating black holes show that some spin so quickly because dark matter particles haven't slowed them down.

2 years ago

You Thought Black Hole Event Horizons Looked Strange. Check out Binary Black Hole Event Horizons

Binary black holes lens light so strongly it's difficult to simulate how they would appear. A new simulation shows us…

2 years ago

A new way to see Inside Neutron Stars

Astronomers study neutron stars using a method made famous by jazz singer Ella Fitzgerald.

2 years ago

Black Holes Simulated in a Tank of Water Reveals “Backreaction” for the First Time

Water simulations that small gravitational waves near a black hole can significantly change the black hole's behavior.

2 years ago

Physicists Figure out how to Make Gravitational Wave Detectors “Hear” 6x More Universe

Gravitational wave detectors are limited by fundamental quantum noise - an incessant "hum" that they cannot ever remove. But now…

2 years ago

All The Gravitational Waves Detected So Far

Few events in the astronomy community were received with more fanfare than the first detection of gravitational waves, which took…

2 years ago