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Deep in the vast steppes of Central Asia, archaeologists have uncovered a remarkable ancient structure—a pyramid over 3,000 years old. A new study reveals surprising links between genetically predicted height and heart, metabolic, and mental health. The bond between humans and their pets is one of unwavering loyalty, e
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News
Sea salt may have made Snowball Earth far colder than previously thought
6+ day, 23+ hour ago (1240+ words) A climate model suggests bright salt crystals on frozen oceans may have amplified cooling during Earth’s Snowball episodes. (CREDIT: Shutterstock) Earth's descent into one of the most extreme climates in its history may have received an unexpected boost from ordinary…...
Atomic images reveal why one common mineral is superior at producing ice
1+ week, 3+ day ago (1208+ words) Nanoscale imaging shows ice can form across flat microcline surfaces without relying only on cracks or step edges. (CREDIT: Bielefeld University/Magnus Krenz) A mineral surface does not always need a crack, pore or other obvious defect to help ice…...
Ancient Toba eruption reveals a supervolcano can stay dangerous for thousands of years
3+ week, 1+ day ago (1285+ words) The Toba supervolcano remained active for thousands of years after its giant eruption, challenging how volcanic hazards are assessed. (CREDIT: Shutterstock) Toba’s 74,000-year-old super-eruption did not mark the end of its danger. Magma beneath the Indonesian caldera remained capable of…...
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…...
Chang’e-6 moon rocks reveal a 3.9-billion-year decline in asteroid impacts on the dark side of the Moon
1+ mon, 2+ week ago (1058+ words) Schrödinger Basin: Moon far side asteroid impacts reveal a long decline in bombardment, challenging the idea of one violent peak 3.9 billion years ago. (CREDIT: NASA Scientific Visualization Studio) The Moon’s far side has kept a cleaner record of ancient violence…...
Ancient asteroid breakup may have bombarded Earth and the Moon 800 million years ago
1+ mon, 3+ week ago (991+ words) The Eulalia asteroid impact shower may explain a surge of collisions across Earth, the Moon and Mars 800 million years ago. (CREDIT: SwRI/Don Davis) A violent collision in the main asteroid belt may have sent debris raining across the inner…...
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, 18+ hour 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…...
Why Antarctica turned into an ice world millions of years before the Arctic
2+ mon, 1+ day ago (683+ words) A new study reveals that slow mantle waves pushed East Antarctica skyward over 100 million years, building the high terrain that triggered glaciation 34 million years ago. (CREDIT: Shutterstock) Thirty million years separate the freezing of Antarctica from the glaciation of the…...
550-million-year-old fossil may reveal first-ever 'right-handedness' in the animal kingdom
2+ mon, 2+ 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,…...