Jul 27, 2025 by News Staff

The newly-discovered intermediate-mass black hole, named NGC 6099 HLX-1, resides in a compact star cluster on the outskirts of the elliptical galaxy NGC...

May 8, 2025 by News Staff

This supermassive black hole was discovered thanks to the newly-identified tidal disruption event AT2024tvd, an astronomical phenomenon in which a star...

Jan 30, 2024 by News Staff

A tidal disruption event occurs when a star winds up so close to a supermassive black hole that the tidal forces exceed the star’s self-gravity and shred...

Aug 22, 2023 by News Staff

Astronomers using NASA’s Chandra X-ray Observatory, ESA’s XMM-Newton and other telescopes have found evidence for a massive stellar disruption (over...

Apr 26, 2023 by Enrico de Lazaro

Intermediate-mass black holes in the mass range between 100 and 100,000 solar masses are the missing link between stellar-mass black holes and super massive...

Dec 1, 2022 by News Staff

A supermassive black hole devours a star that has come too close. In extremely rare instances — only about 1% of the time — these so-called...

Sep 17, 2021 by News Staff

The intermediate-mass black hole in question was caught in the act of swallowing a star, called a tidal disruption event. Dubbed 3XMM J215022.4-055108,...

Feb 24, 2021 by News Staff

The majority of supermassive black holes lie dormant and starved of fuel; these hidden giants can be temporarily illuminated when an unlucky star passes...

Jan 13, 2021 by News Staff

An active galactic nucleus in the center of ESO 253-G003, an active galaxy over 570 million light-years away in the southern constellation of Pictor, erupts...

Nov 27, 2020 by Enrico de Lazaro

Astronomers using the NASA/ESA Hubble Space Telescope have detected tidal tails in NGC 1052-DF4, a dark-matter-deficient galaxy some 65 million light-years...

Oct 13, 2020 by News Staff

Using ESO’s Very Large Telescope (VLT) and New Technology Telescope (NTT), the Las Cumbres Observatory global telescope network, and NASA’s Neil Gehrel...

Jul 30, 2020 by News Staff

The Phoenix stellar stream, a thin over-density of stars in the halo of our Milky Way Galaxy originally identified by the Dark Energy Survey, is composed...

Jul 17, 2020 by News Staff

An international team of astronomers has watched as an X-ray corona of a supermassive black hole in the active galactic nucleus 1ES 1927+654 was abruptly...

Apr 28, 2020 by News Staff

Professor Andrew King from the University of Leicester has shown that periodic X-ray eruptions from a galaxy called GSN 069 could result from the core...

Apr 14, 2020 by News Staff

A due of researchers used numerical simulations to show that interstellar objects like ‘Oumuamua, a fast moving, cigar-shaped object of extrasolar origin...

Apr 1, 2020 by News Staff

A bright X-ray source in a massive star cluster in the outskirts of 6dFGS gJ215022.2-055059, a barred lenticular galaxy located about 806 million light-years...

Sep 27, 2019 by News Staff

NASA’s Transiting Exoplanet Survey Satellite (TESS) gave astronomers an unexpected glimpse at a black hole violently ripping apart a Sun-sized star....

Sep 18, 2019 by News Staff

A team of astrophysicists from Columbia University proposes that the strange long-term dimming of the KIC 8462852 star (also known as Tabby’s star or...

Jun 20, 2018 by News Staff

Astronomers know that small black holes — objects ranging from 10 times to 100 times the Sun’s mass — are the remnants of dying stars, and...

Jun 15, 2018 by News Staff

A multinational group of astronomers has imaged the formation and expansion of a fast-moving jet of material ejected when the intense gravity of a supermassive...