Gravitational Waves
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.…
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,…
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…
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…
After Decades of Observations, Astronomers have Finally Sensed the Pervasive Background Hum of Merging Supermassive Black Holes
We've become familiar with LIGO/VIRGO's detections of colliding black holes and neutron stars that create gravitational waves, or ripples in…
We Might Soon Detect the Gravitational Waves from Dying Stars
Researchers have discovered an exciting new source of gravitational waves. They are the remnants left over from a supernova explosion,…
After Three Years of Upgrades, LIGO is Fully Operational Again
Have you noticed a lack of gravitational wave announcements the past couple of years? Well, now it is time to…
The Earth's Magnetosphere Could be Used as a Gravitational Wave Observatory
The magnetospheres of Earth and Jupiter might be used to observe high-frequency gravitational waves.
LISA Will Be a Remarkable Gravitational-Wave Observatory. But There’s a Way to Make it 100 Times More Powerful
A team of researchers with the ESA propose an upgrade for the LISA mission (LISAMax), which could revolutionize gravitational wave…
Gravitational Waves From Pulsars Could Be Used to Probe the Interior of the Sun
Gravitational waves from known pulsars might be used to probe the interior of the Sun.