Solar Storm Lit Up Parts of Northern US with Auroras
A moderate geomagnetic storm in Earth's magnetic field created some luminous auroras as far south as the northern United States last night. Space weather refers to the stream of radiation and powerful particles ejected into space from the sun. The Earth is largely protected from space weather by the planet's atmosphere and its magnetic field. When solar material hits the magnetic field and causes a disturbance — or what's known as a geomagnetic storm, according to the National Oceanic and A..>> view originalNew Oil Discoveries Largely Unaffected by Paris Pact
New Oil Discoveries Largely Unaffected by Paris Pact Large crude oil discoveries in 2016 face uncertain prospects of development for many reasons, but climate change isn’t one of them, at least for the moment. Climate policies that help countries meet their obligations under the Paris Agreement are likely to have little effect on newly discovered oil fields because the Paris pact all but ignores crude oil consumption and production, experts say. The fate of new oil discoveries hinges mainly on ..>> view originalHow The Iridescent Blue Leaves Of Begonia Help It Harvest More Light And Survive In Shadows Of Forest Floors
Scientists may have finally discovered why peacock begonias have their leaves colored in that vibrant metallic shade of blue. Natural wonders are everywhere and, the more we find scientific explanations for them, the better they become. A research paper, published Oct. 24 in Nature Plants by Heather Whitney and her colleagues at the University of Bristol in the UK, suggests that the very beauty of this peculiar plant has an evolutionary purpose: the dazzling iridescence may be a way of enhancin..>> view originalScientists aim largest telescope possible at 'alien megastructure' star
UC Berkeley scientists are training the largest fully steerable radio telescope at Tabby's star, a star shrouded in mystery and speculation of extraterrestrial life. (Roxanne Makasdjian and Stephen McNally/UC Berkeley) Early Thursday morning, a new and powerful effort was underway to explore a mystery 1,500 light-years away. West Virginia’s Green Bank Telescope was hard at work, sucking up information about a strange winking star. The giant radio telescope is the biggest of its kind, with..>> view originalSaturn's North Pole Has Changed Color, But Why?
The observed color change in Saturn's north polar region between 2012 and 2016. Credit: NASA/JPL-Caltech/Space Science Institute/Hampton University Spectacular photos captured by NASA's Cassini spacecraft reveal a curious color change over Saturn's north pole. The occurrence may be linked to seasonal changes and the planet's enormous hexagonal jet stream. The images were captured by Cassini's wide-angle camera between 2012 and 2016. Photos from 2012 show a bluish halo over Saturn's n..>> view originalWorld wildlife 'falls by 58% in 40 years'
Image copyright Roger Leguen / WWF Image caption This report estimates that wildlife populations have declined by nearly 60% since 1970 Global wildlife populations have fallen by 58% since 1970, a report says. The Living Planet assessment, by the Zoological Society of London (ZSL) and WWF, suggests that if the trend continues that decline could reach two-thirds among vertebrates by 2020.The figures suggest that animals living in lakes, rivers and wetl..>> view originalPrehistoric People Decorated With Cave Lion Pelts
Some 16,000 years ago, prehistoric humans ventured deep into the La Garma cave in Spain to perform sacred rituals. Guided by lanterns made of animal fat, they navigated hundreds of feet through dark caverns and around thick stalagmites until they reached one of their circular stone huts, each of which had a horse skull at its center.Though archaeologists don’t know what religious ceremonies took place inside the huts, they think they now understand a piece of the décor: a cave lion pelt, perhap..>> view originalArctic Warming Linked to Extreme Cold Weather in the US
Oct 27, 2016 06:02 AM EDT A new study by an international team of scientists revealed that the warming Arctic caused by climate change may have contributed to the severe cold weather that hit the United States and United Kingdom in 2014 and 2015. The study, published in the journal Nature Climate Change, showed a link between the warming conditions of the Arctic, including melting of the sea ice, increase in ocean surface temperature and warming air temperatures, and the emerging pattern of s..>> view original
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