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News
The Powerful Radio Afterglow from a Black Hole Tearing Apart a Star Could Help Solve a Cosmic Mystery
17+ hour, 54+ min ago (316+ words) The cosmic violence of a black hole tearing apart a star produced a brilliant burst of radio light, which has been observed by astronomers thanks to a new international collaboration. The U.S. National Science Foundation’s Very Large Array (NSF VLA) captured…...
It Appears the Reports of Venus’s Death Were Greatly Exaggerated
1+ day, 20+ hour ago (660+ words) New computer models of Venus’s surface features, including ridges likely caused by volcanic activity, have determined that the second rock from the Sun remains geologically active to this day. The ETH Zurich research team behind the new Venusian models, which…...
It Appears the Reports of Venus’s Death Were Greatly Exaggerated—New Models Suggest the Planet is Still Geologically Active
1+ day, 20+ hour ago (660+ words) New computer models of Venus’s surface features, including ridges likely caused by volcanic activity, have determined that the second rock from the Sun remains geologically active to this day. The ETH Zurich research team behind the new Venusian models, which…...
Barnard’s Star Contains Inhospitable Exoplanets—But They Could Still Tell Us Something Important in the Search for ET
2+ day, 17+ hour ago (634+ words) The small exoplanets of our Sun’s second-nearest neighbor, Barnard’s Star, are inhospitable wastelands, British astronomers say. After careful analysis, the astronomers announced that the exoplanets are unlike any in our solar system, presenting a brutal and barren environment. Scientists only…...
NASA's Bennu Samples Reveal Tiny Ancient Clues About the Asteroid's Long-Lost Origins
3+ day, 18+ hour ago (974+ words) When NASA’s OSIRIS-REx spacecraft delivered pristine samples from the asteroid Bennu back to Earth in 2023, scientists knew they were receiving one of the most chemically untouched collections of material ever recovered from the Solar System. Since then, the returned grains…...
U.S. Space Development Agency Orders 36 Space Vehicles for Defense Against Missile Attacks
3+ day, 19+ hour ago (421+ words) The United States Space Development Agency (SDA), in support of the U.S. Space Force, has awarded contracts to L3Harris Technologies and Sierra Space Corporation to build and deliver 36 Accelerated Missile Defense Tranche 3 (AMDT3) space vehicles (SVs) designed to operate in four distinct orbital…...
“That’s No Moon!”: Astronomers Vexed by “Super Weird” Moon-Like Object Without a Planet
3+ day, 19+ hour ago (560+ words) Scientists working at the European Southern Observatory’s Very Large Telescope (ESO’s VLT) in Chile have detected evidence for an unusual, ‘moon-like object’ in the CD-35 2722 system that doesn’t appear to orbit a planet. The research team behind the discovery said…...
New Gravity Theory Suggests How Cosmic Order Emerges Despite Rising Entropy
4+ day, 19+ hour ago (376+ words) Galaxies, stars, and living cells are all examples of local order emerging in the universe. At first glance, that seems to contradict one of physics’ oldest principles. However, a recent study in Physical Review D offers a mathematical explanation for…...
A New Solution to the Dinosaur-Killer Meteorite Mystery Creates Fresh Questions
1+ week, 20+ hour ago (744+ words) Researchers from the University of British Columbia studying material from the mysterious dinosaur-killer meteorite that wiped out 75% of Earth’s species, including non-avian dinosaurs, have determined the doomsday space rock was likely a rare type of carbonaceous chondrite. Although the international…...
Astronomers May Have Been Looking for Alien Megastructures Around the Wrong Stars
1+ week, 19+ hour ago (495+ words) Some of the most promising locations to search for possible alien megastructures, known as Dyson spheres, may not be stars like the Sun, but rather the galaxy’s smallest and dimmest stars. Physicist Freeman Dyson introduced the idea of a Dyson…...