SCIENCE

Mass die-off half a billion years ago caused by shifting tectonic plates, ancient rocks reveal

Mass die-off half a billion years ago caused by shifting tectonic plates, ancient rocks reveal

[ad_1] A major extinction in the midst of a huge expansion of life on Earth may have been driven by plate tectonics. New research finds links between rock layers in Antarctica and Southern Australia, which at the time were part of the supercontinent Gondwana. This suggests that similar dynamics were occurring around the supercontinent roughly

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What Makes Tiny ‘Water Bears’ So Tough? They Quickly Fix Broken DNA.

What Makes Tiny ‘Water Bears’ So Tough? They Quickly Fix Broken DNA.

[ad_1] To introduce her children to the hidden marvels of the animal kingdom a few years ago, Anne De Cian stepped into her garden in Paris. Dr. De Cian, a molecular biologist, gathered bits of moss, then came back inside to soak them in water and place them under a microscope. Her children gazed into

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Scientists on the hunt for coyotes in St. Louis’ Forest Park

Scientists on the hunt for coyotes in St. Louis’ Forest Park

[ad_1] ST. LOUIS — If a tree falls in Forest Park, someone will likely hear or even see it. That’s because every square foot of the urban oasis — one of the largest, most visited, best-funded in the country — is accounted for. Still, the 1,371-acre park isn’t fully understood. A team of highly educated

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Brightest-ever cosmic explosion solved but new mysteries sparked

Brightest-ever cosmic explosion solved but new mysteries sparked

[ad_1] By Pallab Ghosh Science correspondent 1 hour ago Image source, Aaron M. Geller Image caption, Artwork of the brightest cosmic explosion of all time Researchers have discovered the cause of the brightest burst of light ever recorded. But in doing so they have run up against two bigger mysteries, including one that casts doubt

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NASA’s Chandra X-ray Observatory slated for budget cuts after 25 years

NASA’s Chandra X-ray Observatory slated for budget cuts after 25 years

[ad_1] The Chandra X-ray Observatory, one of four great space telescopes NASA launched in the 1990s, revolutionized our understanding of the universe from the moment it first began recording X-rays ‒ the energy emitted by extremely hot objects, like the matter swirling into black holes. Now 25 years old, scientists involved with the telescope believe

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Expired Cans of Salmon From Decades Ago Reveal a Big Surprise : ScienceAlert

Expired Cans of Salmon From Decades Ago Reveal a Big Surprise : ScienceAlert

[ad_1] Canned salmon are the unlikely heroes of an accidental back-of-the-pantry natural history museum, with decades of Alaskan marine ecology preserved in brine and tin. Parasites can tell us a lot about an ecosystem, because they’re usually up in the business of several species. But unless they cause some major problem to humans, historically we

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A NASA spacecraft spotted something weird orbiting the moon. It was just a lunar neighbor.

A NASA spacecraft spotted something weird orbiting the moon. It was just a lunar neighbor.

[ad_1] NASA’s Lunar Reconnaissance Orbiter (LRO) snapped a perfectly timed photo as it crossed paths with another spacecraft orbiting the moon.  The LRO, which has been orbiting the moon for 15 years, captured several images of the Korea Aerospace Research Institute’s Danuri lunar orbiter as the two spacecraft, traveling in nearly parallel orbits, zoomed past

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The Ancient Egyptians May Have Seen the Milky Way as a Celestial Deity

The Ancient Egyptians May Have Seen the Milky Way as a Celestial Deity

[ad_1] The massive galaxy that houses our star system, along with hundreds of billions of other stars, appears as a shimmery splotch stretching across our night skies on clear, moonless nights. For an ancient people who were rather obsessed with the cosmos, looking up at the Milky Way may have symbolized a goddess that hangs

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