Astrophysics Surprise: First Overtones Detected in the Ringing of a Black Hole [Video]
By listening for specific tones in the gravitational waves of black hole mergers, researchers are putting Albert Einstein’s theories to new tests. When two black…
Gravitational Waves
Scientists Show Gravitational Waves Leave Detectable Mark
Gravitational waves, first detected in 2016, offer a new window on the universe, with the potential to tell us about everything from the time following…
LIGO and Virgo Reveal Four New Sources of Gravitational Waves
Scientists have carried out a closer analysis of previously recorded data from the LIGO and Virgo gravitational wave detectors, tracking down four new signals. They…
LIGO Makes Vital Contribution to New Gravitational Wave Discoveries
Researchers from the University of Portsmouth have made vital contributions to the observations of four new gravitational waves, which were announced this weekend. The new…
Gravitational Waves May Reveal How Fast Our Universe is Expanding
Since it first exploded into existence 13.8 billion years ago, the universe has been expanding, dragging along with it hundreds of billions of galaxies and…
ExaHyPE – Simulation Code for New Generation of Supercomputers
Even after the direct measurement of their gravitational waves, there are still mysteries surrounding black holes. What happens when two black holes merge, or when…
Next-Gen LISA Gravitational Wave Detector Will Complement LIGO
The historic first detection of gravitational waves from colliding black holes far outside our galaxy opened a new window to understanding the universe. A string…
Astronomers Use a Single Gravitational Wave Event to Measure the Age of the Universe
The direct detection of gravitational waves from at least five sources during the past two years offers spectacular confirmation of Einstein’s model of gravity and…
Astronomers Use Pulsars to Listen for Gravitational Waves
“By expanding our pulsar timing array over the next 10 years or so, there is a high likelihood of detecting gravitational waves from at least…
LIGO and Virgo Detect Gravitational Waves from Binary Black Hole Merger
Scientists from the LIGO Scientific Collaboration and the Virgo collaboration report the first joint detection of gravitational waves with both the LIGO and Virgo detectors….
Researchers Reveal That Hidden Dimensions Could Influence Gravitational Waves
A team of scientists at the Max Planck Institute for Gravitational Physics reveal that hidden dimensions – as predicted by string theory – could influence…
European Space Agency to Develop Gravitational Wave Space Mission
The European Space Agency (ESA) has selected the Laser Interferometer Space Antenna (LISA) for its third large-class mission in the agency’s Cosmic Vision science program….
LIGO Detects Merging Ripples in Space and Time
The Laser Interferometer Gravitational-wave Observatory (LIGO) has made a third detection of gravitational waves, ripples in space and time, demonstrating that a new window in…
Scientists Use Atomic Clocks to Detect Gravitational Waves
In a newly published study, scientists from the Harvard-Smithsonian Center for Astrophysics detail a sensitive new method for detecting gravitational waves. The recent detection of…
Did LIGO Find Dark Matter?
When it was announced that LIGO detected gravitational waves this past February, astrophysicists wondered about something else: Had the experiment found the “dark matter” that…
LIGO Detects Gravitational Waves Again
The twin Laser Interferometer Gravitational-wave Observatory (LIGO) has detected gravitational waves for the second time. The signal was produced by two black holes colliding 1.4…
Fermi Observations Poised to Pin Down Gravitational Wave Sources
Fermi observations are helping researchers gain a much deeper understanding of gravitational waves. On September 14, waves of energy traveling for more than a billion…
Gravitational Waves Could Soon be Detectable by Existing Radio Telescopes
A newly published study from the North American Nanohertz Observatory for Gravitational Waves reveals that low-frequency gravitational waves could soon be detectable by existing radio…