Astronomers discovered an enormous galaxy cluster called RM J130558.9+263048.4 on December 31, 2020; the date, combined with the bubble-like appearance...
Using data gathered by a suite of space- and ground-based telescopes, astronomers have discovered AT 2024wpp, the most luminous fast blue optical transient...
Astronomers using ESA’s XMM-Newton observatory have captured an X-ray image of 3I/ATLAS, the third confirmed interstellar object to be detected passing...
Using ESA’s XMM-Newton and the X-Ray Imaging and Spectroscopy Mission (XRISM), a JAXA-led mission with ESA and NASA participation, astronomer have observed...
A supermassive black hole in the center of the radio quasar RACS J032021.44-352104.1 (RACS J0320-35 for short) is growing at one of the fastest rates ever...
In a new paper, Penn State Professor Victor Pasko and his colleagues described how they determined strong electric fields in thunderclouds accelerate electrons...
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...
In a new paper published in the Monthly Notices of the Royal Astronomical Society, astronomers from the University of Leicester describe for the first...
Astronomers have discovered the largest known cloud of energetic particles surrounding a galaxy cluster — the 20-million-light-year-wide cloud around...
Magnetars are neutron stars with ultra-strong magnetic fields that are about a quadrillion times greater than the magnetic field of Earth. These huge magnetic...
In new research, astronomers used NASA’s IXPE (Imaging X-ray Polarimetry Explorer) to observe a highly relativistic jet emanating from the blazar BL...
Certain lichen species can withstand Mars-like conditions with an X-ray radiation dose of 50 Gy (Grays) that is expected on the Mars surface over one year...
2MASX J23453268-0449256 (J2345-0449 for short), an extremely massive, rapidly rotating, jet-launching spiral galaxy approximately 947 million light-years...
Astronomers may finally have settled the question of what is causing highly energetic X-rays from WD 2226-210, a white dwarf star located at the center...
The Tarantula Nebula is the most important star-forming complex in the Local Group of galaxies, which includes the Milky Way, the Large Magellanic Cloud,...
Named SNR J0614-7251 and SNR J0624-6948, the newly-discovered supernova remnants reside in the outskirts of the Large Magellanic Cloud, the largest satellite...
New data from NASA’s Chandra X-ray Observatory and ESO’s Very Large Telescope provide evidence that outbursts from supermassive black holes can help...
In 2018, astronomers observed that the corona of 1ES 1927+654, an actively accreting, 1.4-million-solar-mass black hole located in a galaxy around 270...
Cygnus OB2 is the nearest massive young stellar association to our Sun.
In this new composite image, the Chandra data (purple) shows the diffuse X-ray...
