Tag Archive for 'LIGO'

An infographic detailing the GW231123 black hole merger. Image credit: Simona J. Miller / Caltech.

Astrophysicists Detect Gravitational Waves from Most Massive Black Hole Merger to Date

Jul 15, 2025 by News Staff

Using twin detectors of NSF’s Laser Interferometer Gravitational-wave Observatory (LIGO), astrophysicists with the LIGO-Virgo-KAGRA (LVK) Collaboration...

An artist’s impression of a neutron star. Image credit: Sci-News.com.

LIGO Searches for Gravitational Waves Produced by Neutron-Star Mountains

Jan 13, 2025 by News Staff

Solar System’s moons such as Europa or Enceladus have thin crusts over deep oceans while the planet Mercury has a thin crust over a large metallic core....

This artist’s conception shows two supermassive black holes, similar to those observed by Bansal et al, orbiting one another more than 750 million light years from Earth. Image credit: Josh Valenzuela, University of New Mexico.

Novel Model Paves Way for Deeper Understanding of Structure of Merging Black Holes

Feb 22, 2023 by News Staff

In 2015, astrophysicists for the first time detected gravitational waves, ripples in space-time that occur when neutron star or black hole mergers disrupt...

Photons emitted near rotating black holes encode quantum information that can be measured by actual quantum information technology. Image credit: Sci-News.com.

Astrophysicists Search for Gravitational-Wave Signals from Ultralight Boson Clouds

Dec 1, 2021 by News Staff

Theories of beyond Standard Model physics allow for the production of ultralight bosons — hypothetical particles with masses less than a billionth...

Graphical table of all gravitational wave events discovered from 2015 through the end of LIGO/Virgo’s third observing run. The table includes the gravitational event name, the type of binary component (black hole, neutron star, or uncertain), the masses of the primary and secondary, and the mass of the final merged object. Image credit: LIGO / Virgo / KAGRA / C. Knox / H. Middleton.

Astrophysicists Detect 35 New Gravitational-Wave Events

Nov 10, 2021 by News Staff

Astrophysicists from the LIGO-Virgo-KAGRA Collaboration have detected a further 35 gravitational waves since the last catalog release in October 2020,...

A view of the accretion disk around the supermassive black hole, with jet-like structures flowing away from the disk. The extreme mass of the black hole bends spacetime, allowing the far side of the accretion disc to be seen as an image above and below the black hole. Image credit: Science Communication Lab, DESY.

Black Holes Grow along with Universe’s Expansion, Study Suggests

Nov 4, 2021 by News Staff

Since the first observation of merging black holes in 2015, astrophysicists have been repeatedly surprised by their large masses. They originally expected...

An artist’s impression of binary black holes about to collide. Image credit: Mark Myers, ARC Centre of Excellence for Gravitational Wave Discovery (OzGrav), Australian National University.

Gravitational-Wave-Detected Black Holes Could Be Product of Much Earlier Parent Mergers

Jul 28, 2021 by News Staff

While most of the binary black-hole mergers recently detected by NSF’s Laser Interferometer Gravitational-Wave Observatory (LIGO) in the United States...

An artist’s impression of a black hole-neutron star merger. Image credit: Carl Knox, OzGrav & Swinburne University.

Astronomers Detect Gravitational Waves from Black Hole-Neutron Star Collisions

Jun 29, 2021 by News Staff

Astronomers using NSF’s Laser Interferometer Gravitational-Wave Observatory (LIGO) in the United States and by the Virgo detector in Italy have observed...

The first artist’s illustration shows a key part of the process that created this new black hole, as the two neutron stars spin around each other while merging. The purple material depicts debris from the merger. Image credit: NASA / CXC / M.Weiss.

Black Hole-Neutron Star Mergers May Help Precisely Measure Universe’s Rate of Expansion

Apr 29, 2021 by News Staff

Gravitational-wave and electromagnetic observations of neutron-star-black-hole mergers can provide precise local measurements of the Universe’s rate...

Siraj & Loeb explore the possibility that accretion flares resulting from the tidal disruption of small Oort Cloud bodies by a putative primordial black hole could power an observable optical signal that could be searched for with the upcoming Vera C. Rubin Observatory Legacy Survey of Space and Time. Image credit: Sci-News.com / Zdeněk Bardon / ESO.

Physicists Use Rapidly-Spinning Black Holes to Look for Dark Matter

Apr 14, 2021 by News Staff

Ultralight bosons — hypothetical particles with masses less than a billionth the mass of an electron — could be responsible for the Universe’s...

Gravitational Waves May Help Find Universe’s Missing Components

Dec 31, 2020 by News Staff

Whenever two compact objects (black holes or neutron stars) collide elsewhere in the Universe, they create gravitational waves that travel across space,...

Astronomers Witness Birth of Intermediate-Mass Black Hole

Sep 2, 2020 by News Staff

Astronomers using the twin LIGO detectors located in Livingston, Louisiana, and Hanford, Washington, and the Virgo detector located near Pisa, Italy, have...

An artist’s rendition of a mystery compact object in ‘mass gap’ found by LIGO and Virgo gravitational wave detectors. Image credit: LIGO / Caltech / MIT / R. Hurt, IPAC.

GW190814 Sheds Light on Mass Gap between Neutron Stars and Black Holes

Jun 25, 2020 by News Staff

The gravitational-wave signal GW190814, detected on August 14, 2019 by NSF’s Laser Interferometer Gravitational-Wave Observatory (LIGO) and the Virgo...

LIGO and Virgo Observatories Detect Two New Gravitational Waves

May 8, 2019 by News Staff

On April 25 and 26, 2019, NSF’s Laser Interferometer Gravitational-Wave Observatory (LIGO) and the European-based Virgo detector registered two new gravitational...

The collision of two black holes is seen in this still from a computer simulation. Image credit: SXS.

Physicists Detect Four New Gravitational Waves

Dec 4, 2018 by News Staff

The twin LIGO (Laser Interferometer Gravitational-Wave Observatory) detectors, located in Livingston, Louisiana, and Hanford, Washington, and the Virgo...

A snapshot of a simulation showing a binary black hole formed in the center of a globular cluster. Image credit: Northwestern Visualization / Carl Rodriguez.

Globular Star Clusters May Foster Repeated Merging of Multiple Black Holes

Apr 12, 2018 by News Staff

Stellar-mass black holes that reside in globular clusters — small regions of space, usually at the edges of a galaxy, that are packed with hundreds...

Artist’s illustration of two merging neutron stars. Image credit: NSF / LIGO / Sonoma State University / A. Simonnet.

Scientists Detect Gravitational Waves from Colliding Neutron Stars

Oct 17, 2017 by News Staff

The LIGO Scientific Collaboration, Virgo Collaboration, and their partners have directly detected gravitational waves — ripples in space and time...

Physicists Catch Fourth Gravitational Wave: GW170814

Sep 28, 2017 by News Staff

The LIGO Scientific Collaboration and the Virgo Collaboration report the first joint detection of gravitational waves, ripples in the fabric of space and...

According to Elbert et al, there are probably millions of stellar-remnant black holes in our Milky Way Galaxy -- far more than expected. Image credit: NASA’s Goddard Space Flight Center.

Milky Way Galaxy May Host Millions of Stellar-Remnant Black Holes

Aug 9, 2017 by News Staff

A trio of astronomers at the University of California, Irvine, claims that stellar-remnant black holes, which result from the collapse of massive stars...

$Gravitational waves observed by Laser Interferometer Gravitational-Wave Observatory (LIGO) twin detectors were produced during the final fraction of a second of the merger of two black holes to produce a single, more massive spinning black hole. Image credit: T. Pyle / LIGO.$

Signatures of Universe’s Extra Dimensions Could Be Hiding in Gravitational Waves

Jun 29, 2017 by News Staff

In a paper published in the Journal of Cosmology and Astroparticle Physics (arXiv.org preprint), German physicists investigate the effects due to Universe’s...