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Upturned "Rivers" of Warm Seawater Attack Antarctic Ice Shelfs [Video]

Satellite images show Polynyas (open water regions) located at the ends of the basal channels below the shear ridges of the East Getz Ice Shelf form . A new study in Science Advances highlights how warm seawater and ice dynamics weaken the edges of Antarctic ice shelves, making them more prone to breakup. Credit: Karen Alley / The College of …

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Mars was once warm and rainy before it got cold

Scientists have learned a lot about Mars in recent years, and based on observations of the sleek hardware that NASA sent to the Red Planet, we know it once contained far more water than we see today. But knowing that there was a lot of water (or at least plenty of ice) on Mars a long time ago does not …

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Elon Musk reflects on sun reflectors instead of forcing Mars to warm up

This futuristic rendering shows a collection of SpaceX spaceships hanging on the Martian surface. SpaceX When SpaceX founder Elon Musk gets a Twitter role, it can be hard to keep up. In a moment he proposes to nuclearise Mars to accelerate the warming of the Red Planet for colonists, the next moment he thinks about solar reflector satellites. While breathing …

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Life may have existed on warm, rainy, ancient Mars before winter came

A recent photo taken by the Curiosity rover shows its current location, known as "Teal Ridge." The rover has been studying the clay bearing unit in this region. Cooled lava helped preserve a footprint of where it once moved across a southeastern region on Mars. But it also looks like the "Star Trek" symbol. NASA's InSight uses a camera on …

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The ring around Uranus shines warm – BGR

Saturn is known as a planet with rings, but hardly the only one. As it turns out, rings around planets are not all that rare, and at least some planets in our solar system have them. Uranus is one of those worlds, and although its rings are so weak that they were not discovered until the late 1970s, scientists have …

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