landforms
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Haunting Before-and-After Images Show Devastation Wrought by Tonga Volcano
The recent eruption of an underwater volcano near Tonga was the biggest recorded anywhere on Earth in the past 30 years. A series of before-and-after satellite images highlight the extent of damage to the volcanic island and the neighbouring region.
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Ice Age Mammoth and Horse DNA Found in Soil Samples Left in Freezer
Fieldwork conducted about a decade ago is only now changing researchers’ understanding of large mammal extinctions during the Ice Age. An analysis of DNA locked away in frozen soil samples reveals that charismatic species like woolly mammoths and the wild horses of the Yukon stuck around for longer than previously believed.
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Huge Sinkhole Opens Up on South Australian Coast
And boom goes the… earth? Residents of the seaside hamlet of Robe in South Australia awoke June 9 to find that a huge hunk of limestone had fallen inward, leaving a sinkhole in its wake.