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Black Hole Collision May Have Exploded with Light
06/25/2020

Black Hole Collision May Have Exploded with Light

Whitney Clavin
Astronomers have seen what might amount to the first light ever detected from a black hole merger.
Artist's concept of a supermassive black hole, with a binary pair of black holes in its disk.
LIGO-Virgo Finds Mystery Object in "Mass Gap"
06/23/2020

LIGO-Virgo Finds Mystery Object in "Mass Gap"

Whitney Clavin
The LIGO–Virgo gravitational-wave network has identified an object that is either the heaviest known neutron star, or the lightest known black hole.
Artwork showing a black hole merging with a black hole or neutron star.
LIGO-Virgo Network Catches Another Neutron Star Collision
01/06/2020

LIGO-Virgo Network Catches Another Neutron Star Collision

Whitney Clavin
A pair of neutron stars has been found with an unusually high mass
Artwork of the neutron star merger
Decade of Discovery
12/19/2019

Decade of Discovery

As December winds down, we mark not just the end of another year of discovery at Caltech but the conclusion of a decade of remarkable accomplishments and research breakthroughs.
collage image for decade in review story
KAGRA to Join LIGO and Virgo in Hunt for Gravitational Waves
10/04/2019

KAGRA to Join LIGO and Virgo in Hunt for Gravitational Waves

Whitney Clavin
KAGRA, LIGO, and Virgo will team up to detect gravitational waves.
Photos of KAGRA, LIGO, and Virgo.
Gravitational-wave Harmony
08/20/2019

Gravitational-wave Harmony

Whitney Clavin
Summer student Mahlet Shiferaw is studying higher-order modes of gravitational waves
Mahlet Shiferaw
LIGO and Virgo Detect Neutron Star Smashups
05/02/2019

LIGO and Virgo Detect Neutron Star Smashups

Whitney Clavin
The triple detectors of LIGO and Virgo have spotted five new gravitational-wave signals since turning back on.
Artwork of neutron stars.
LIGO and Virgo Resume Search for Ripples in Space and Time
03/26/2019

LIGO and Virgo Resume Search for Ripples in Space and Time

Whitney Clavin
The hunt continues for extreme events in the cosmos, such as collisions between black holes.
Engineers working on LIGO upgrades
LIGO Receives New Funding to Search for Cosmic Events
02/14/2019

LIGO Receives New Funding to Search for Cosmic Events

Whitney Clavin
The NSF is awarding Caltech and MIT $20.4 million to upgrade LIGO, with additional funding coming from the United Kingdom and Australia.
Engineers installing Advanced LIGO upgrades.
Black Hole Smash-Ups
01/24/2019

Black Hole Smash-Ups

Whitney Clavin
Using machine-learning programs, physicists have created a precise model for the end state of black hole collisions.
simulated picture of two merging black holes
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