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Fastest stars in the Milky Way are 'runaways' from another galaxy A group of astronomers have shown that the fastest-moving stars in our galaxy - which are travelling so fast that they can escape the Milky Way - are in fact runaways from a much smaller galaxy in orbit around our own.
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Ancient Romans made world's 'most durable' concrete. We might use it to stop rising seas. Two thousand years ago, Roman builders constructed vast sea walls and harbor piers. The concrete they used outlasted the empire - and still holds lessons for modern engineers, scientists say.
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Jurassic-era crocodiles had T. rex teeth (CNN) One of the top predators of the Jurassic period wasn't a dinosaur but a bone-crushing giant crocodile with the serrated teeth of a T. rex, according to a new study in the journal PeerJ.
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NASA marks 20 years of continuous Mars exploration This portion of a classic 1997 panorama from the IMP camera on the mast of NASA's Mars Pathfinder lander includes "Twin Peaks" on the horizon, and the Sojourner rover next to a rock called "Yogi.
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In Neanderthal DNA, Signs of a Mysterious Human Migration Part of a femur, or thigh bone, from a Neanderthal that was discovered in the Hohlenstein-Stadel cave in Germany. Credit Oleg Kuchar/Museum Ulm.
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Huge frog discovery amazes scientists A remarkable new discovery could totally change how we think about frogs and how they came to be after millions of years. Scientists have just come to a startling conclusion about frogs that will really change your perception of these fascinating ...
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Love of astronomy born under living skies drives Sask. woman on road trip to view total eclipse Amy Templeman says her love of Saskatchewan's living skies instilled in her a love of astronomy so strong, she named her daughter Aurora.
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NASA Is Moving Ahead With an Ambitious Plan to Deflect an Asteroid A mission to demonstrate an asteroid deflection technique just got a NASA promotion to the design phase. Called DART, the plan would see a refrigerator-sized spacecraft smash into a non-threatening asteroid, causing it to move ever so slightly from its ...
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Lunar robots deployed to Mount Etna to prepare for future landings on Mars, moon Europe's most active volcano welcomes tourists every day, but now it's hosting some rather unusual visitors - lunar robots whose skills are being tested for future landing missions on the moon and Mars.
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If We Stopped Emitting Greenhouse Gases Right Now, Would We Stop Climate Change? Earth's climate is changing rapidly. We know this from billions of observations, documented in thousands of journal papers and texts and summarised every few years by the United Nations' Intergovernmental Panel on Climate Change.
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