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News
Dust from the Chicxulub asteroid baked dinosaurs alive within hours of impact
1+ mon, 2+ week ago (1095+ words) A Chicxulub asteroid dust cloud may have trapped lethal heat, ignited wildfires and killed exposed dinosaurs within hours. (CREDIT: Wikimedia / CC BY-SA 4.0) Sixty-six million years ago, the sky above Earth may have turned into a furnace. Dust from the Chicxulub…...
The asteroid that killed the dinosaurs was more odd than expected
1+ mon, 3+ week ago (1078+ words) Dr. Philippe Claeys, a visiting professor at the University of British Columbia, in front of an exhibit at the Pacific Museum of Earth. (CREDIT: University of British Columbia) The asteroid that ended the age of dinosaurs may have been far…...
Ancient fossil may reveal first-ever 'right-handedness' in the animal kingdom
2+ mon, 1+ day ago (972+ words) Fossils of Spriggina floundersi from South Australia. Because the fossils preserve mirror-image impressions of the animals, a leftward bend in the rock indicates the animal turned right in life. (CREDIT: Scott Evans / AMNH) Spriggina floundersi was only a few centimeters…...
550-million-year-old fossil may reveal first-ever 'right-handedness' in the animal kingdom
2+ mon, 3+ day ago (990+ words) Fossils of Spriggina suggest the oldest known right-turning bias in animals, dating back about 550 million years. (CREDIT: Wikimedia / AI-Generated / CC BY-SA 4.0) Spriggina floundersi was no bigger than a few centimeters, lived on ancient seafloors in what is now South Australia,…...
The number of icebergs in the Arctic is surging and transforming life on the ocean floor
2+ mon, 4+ week ago (911+ words) Rising Arctic iceberg traffic is dropping rocks onto the deep seafloor, boosting biodiversity and raising new risks for ships. (CREDIT: Alfred Wegener Institute / Christian R. Rohleder)) Far below the Arctic’s drifting ice, the seafloor has begun to change in a way…...
New analysis reveals why Ganymede has a magnetic field when other moons do not
3+ mon, 1+ week ago (871+ words) This natural-color image of Ganymede was captured by the Galileo spacecraft during its first flyby of the moon. (CREDIT: NASA/JPL) Ganymede has long looked like a contradiction in orbit. Jupiter’s largest moon is the only moon known to generate…...
In 2010, Earth’s molten core suddenly reversed direction and scientists don't know why
3+ mon, 2+ week ago (1183+ words) Swarm constellation satellites and ground data reveal a startling 2010 reversal in molten core flow beneath the Pacific and suggest it may now be weakening. (CREDIT: ESA) A river of molten iron, more than 2,000 kilometers below the surface, appears to have…...
Volcanic eruptions in the distant past may have led to ocean current collapse
6+ mon, 3+ week ago (972+ words) The June 12, 1991, eruption column from Mount Pinatubo was taken from the east side of Clark Air Base. (CREDIT: U.S. Geological Survey / Dave Harlow) A massive volcanic eruption can cool the planet within months. What happens next may take centuries. Currently, this…...
Earth’s core may hold 45 oceans worth of hydrogen, study finds
7+ mon, 1+ day ago (899+ words) New research suggests Earth’s core may store up to 45 oceans’ worth of hydrogen, reshaping theories of water’s origin. (CREDIT: Wikimedia / CC BY-SA 4.0) Scientists have known for many years that pure iron could not account for the density of the Earth's…...
Researchers discover massive hydrogen system beneath the Pacific Ocean
7+ mon, 3+ week ago (909+ words) Scientists uncover a vast hydrogen rich geological system deep beneath the Pacific Ocean seafloor. (CREDIT: AI-generated image / The Brighter Side of News) Far below the surface of the western Pacific Ocean, scientists have uncovered a geological system that reshapes how…...