Black hole’s jets are so huge that they may shake up cosmology
Illustration of the giant black hole jets known as PorphyrionCaltech A pair of jets blasting out of a black hole spans 23 million light years, the equivalent of 220 Milky…
Illustration of the giant black hole jets known as PorphyrionCaltech A pair of jets blasting out of a black hole spans 23 million light years, the equivalent of 220 Milky…
The motion of bubbling gas on the surface of the star R DoradusALMA (ESO/NAOJ/NRAO)/W. Vlemming Giant bubbles of hot gas more than 75 times the size of our sun have…
Illustration of AST SpaceMobile’s satellitesAST SpaceMobile An unusually reflective prototype satellite that outshines almost every star in the sky will be joined by another five later this week. Astronomers warn…
JWST images of little red dot galaxiesJosephine F.W. Baggen et al. (2024) Strangely bright galaxies spotted by the James Webb Space Telescope (JWST), called “little red dots”, may have more…
Illustration of a swiftly rotating brown dwarfNASA/JPL-Caltech Dark matter-fuelled brown dwarfs could be lurking at the centres of galaxies. If astronomers manage to spot them, they could teach us about…
This discovery is anything but Tutan-khamun. Archeologists in Egypt have discovered “the first and largest astronomical observatory,” nearly half a mile long, dating to the 6th century BC. A sundial…
A radio telescope at the Green Bank Observatory in West VirginiaJ. Seymour/Green Bank Observatory Radio telescopes observing the cosmos face growing challenges because of electromagnetic interference from thousands of satellites…
The Arecibo telescope in Puerto Rico detected radio signals similar to the Wow! signalNAIC/Arecibo Observatory/NSF An unexplained radio signal detected in 1977 known as the Wow! signal, which some have…
Illustration of a tidal disruption eventMark Garlick/Science Photo Library/Getty Images Astronomers have caught a supermassive black hole eating a giant star in the biggest and brightest example of this powerful…
One of the highlights of the astronomical calendar, and something I look forward to every year, is the Perseid meteor shower. This impressive display, which is visible in the northern…