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Geologists Confirm a Staggering 2.2 Billion-Year-Old Impact Crater in Australia
Science Alert   22 January 2020   Australia  
Location of the crater. (The Conversation)
<p>Throughout its life, our planet has been pummelled by countless asteroids and comets - even more so than the crater-ridden Moon. Today, thanks to Earth's continually changing surface, there are remarkably few scars left to tell the tale.<br />Australia's ...
A Fossil Spider Discovery Just Turned Out to Be a Crayfish With Some Legs Painted On
Science Alert   20 December 2019   China  
(Cheng et al, Acta Geologica Sinica, 2019)
<p>When scientists at the Dalian Natural History Museum in China copped a load of a fossil unearthed in the Lower Cretaceous Yixian Formation, they couldn't believe their eyes. The eight-legged beastie looked like nothing anyone had seen before. Exceptionally ...
Geologists May Have Finally Solved The Secret of Machu Picchu's Strange Location
Science Alert   25 September 2019   Peru   Machu Picchu  
Natural blocks of stone in Machu Picchu. (Rualdo Menegat)
<p>As beautiful as Machu Picchu is, it's not the easiest place to get to, high up in the Andes with steep drops to the Urubamba River on three sides. Now researchers think they might know why the site was chosen.<br />The secret may lie deep below this iconic ...
Geologists Just Discovered a Source of Volcanoes Deeper Than Ever Before
Science Alert   20 May 2019   World  
(Wendy Kenigsberg/Clive Howard, Cornell University, modified from Mazza et al. 2019)
<p>Researchers have pinpointed a previously unknown source of volcanoes in the extreme depths of Earth - in the transition zone between the upper and lower mantle.<br />Until now, we thought we had a handle on the ways in which volcanoes form, welling up from ...
A Massive Geological Surprise Has Been Discovered Under Greenland's Ice Sheet
Science Alert   14 November 2018   Greenland  
(Natural History Museum of Denmark, Cryospheric Sciences Lab, NASA Goddard Space Flight Center)
<p>In the far North of the globe, hidden under continental sheet ice nearly a kilometre thick, geologists have found evidence that, not so long ago, Greenland was rocked by a collision with a massive meteorite.<br />The proof? A huge impact crater, 31 kilometres ...
Geologists Just Found a Long-Lost Bridge Between The UK And The Rest of Europe
Science Alert   19 September 2018   UK  
How the British Isles might have formed. (Plymouth University)
<p>For hundreds of years, geologists have thought the modern-day British mainland was formed by the collision of two ancient land masses, Avalonia and Laurentia.<br />Now, new research suggests a third continent was involved &ndash; Armorica, which today makes ...
Siberia's 'doorway to the Underworld' Is Getting So Big It's Uncovering Ancient Forests
Science Alert   28 February 2017   Siberia   Asia  
Alexander Gabyshev, Research Institute of Applied Ecology of the North
<p>It's no secret that Siberia's permafrost has been on thin ice lately. Conditions are varying so much that huge holes are appearing out of nowhere, and, in some places, tundra is quite literally bubbling underneath people's feet.</p> <p>But new research ...
This gigantic sinkhole in Ottawa just took out a 4-lane road
Science Alert   09 June 2016   Canada   Ottawa  
CBC News/YouTube
<p>A major section of the Nation's Capital split open Wednesday after a gigantic sinkhole opened up in the city's bustling downtown core.</p><p>The sidewalk-to-sidewalk size sinkhole opened up late morning near the corner of Rideau Street and Sussex Drive, ...