Gravitational Waves

Gravitational Waves Reveal Surprising Secrets About Neutron Stars

The confirmation of gravitational waves back in 2017 continues to unlock whole new worlds of physics but also continues to…

1 month ago

Gravitational-Wave Observatories Should be Able to Detect Primordial Black Hole Mergers, if They’re out There

The tumultuous era of the big bang may have been chaotic enough to flood the universe with primordial black holes.…

2 months ago

Next-Generation Gravitational Wave Observatories Could Detect the First Stars When They Exploded as Supernovae

The first stars to appear in the universe are no longer with us - they died long ago. But when…

2 months ago

On its Next run, LIGO Will be Able to Probe 8 Times as Much Space

Materials science has once again come through for space exploration.  Researchers at the Laser Interferometer Gravitational-Wave Observatory (LIGO) have developed…

2 months ago

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?…

3 months 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…

4 months 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.

5 months 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…

7 months 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.

7 months 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…

7 months ago