‘Little red dots’ could herald the birth of supermassive black holes
Did cocoons of dense gas shine brightly in the early universe?
Read article: ‘Little red dots’ could herald the birth of supermassive black holes
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Keith Cooper is a freelance science journalist and the author of several books. He has a BSc in physics with astrophysics from the University of Manchester, UK. Keith has written regularly for Physics World since 2015, and has also written for Astronomy magazine, New Scientist, Sky at Night and Sky & Telescope, plus Space.com and Supercluster.com online. He was formerly the editor of Astronomy Now magazine. His books include The Contact Paradox: Challenging Our Assumptions in the Search for Extraterrestrial Intelligence (Bloomsbury Sigma 2019) and Amazing Worlds of Science Fiction and Science Fact (Reaktion Books, 2025).
Did cocoons of dense gas shine brightly in the early universe?
Read article: ‘Little red dots’ could herald the birth of supermassive black holes
Keith Cooper reviews It’s (Just) Rocket Science: Exploring Physics Through Spaceflight Missions by Trisha Muro
Read article: Bringing physics down to Earth through rocket science
In a novel three-tiered hierarchical system, the star CD-35 2722 is orbited by a brown dwarf that, in turn, is orbited by a newly discovered exosatellite candidate
Read article: Discovery of giant ‘exosatellite’ challenges our notion of what makes a moon
New analysis of JWST observations suggests that the Bullet Cluster of galaxies might only have half as much dark matter as previously believed
Read article: Does the Bullet Cluster contain a lot less dark matter than we thought?
A space-based system could help deflect potentially catastrophic interplanetary weather
Read article: Can we create a shield to protect Earth from solar storms?
Artemis II has returned humanity to the Moon, gripping the whole world. Keith Cooper follows the mission’s journey and looks at what comes next for humans in space
Read article: One giant leap: Artemis II returns humanity to the Moon
Observations appear to rule out MOND, but not everyone agrees
Read article: Newton’s law describes gravity on cosmological scales, galaxy clusters reveal
Could the icy moons of our solar system hold life beyond our planet? Keith Cooper looks at how planetary scientists intend to find out
Read article: Exploring the icy moons of the solar system
Samples from the near-Earth asteroid Bennu found to contain molecules and compounds vital to the origin of life
Read article: Components of RNA among life’s building blocks found in NASA asteroid sample
Objects formed by exotic particles could have created primordial black holes
Read article: Did cannibal stars and boson stars populate the early universe?