The landscape at Lava Beds National Monument in northern California is typically home to sage and junipers, with unique lava caves twisting underneath the surface. But in the summers of 2020 and 2021, wildfires tore through ...
Earth Sciences
Oct 12, 2021
0
4
The source of marble for a statue of Apollo on the Greek island of Delos has been a mystery to art historians and archaeologists for decades. The stone's chemistry pointed geochemists to the southern end of the nearby island ...
Archaeology
Oct 12, 2021
0
457
Since the 1970s, dams have been removed from the U.S. at an increasing rate, with the aim to improve the ecology of river ecosystems, fish migration pathways, water quality, and recreation spaces.
Environment
Oct 8, 2021
7
66
Since the Perseverance rover landed in Jezero crater on Mars in February, the rover and its team of scientists back on Earth have been hard at work exploring the floor of the crater that once held an ancient lake. Perseverance ...
Planetary Sciences
Oct 8, 2021
0
263
Dunes develop when wind-blown sand organizes into patterns, most often in deserts and arid or semi-arid parts of the world. Every continent on Earth has dune fields, but dunes and dune-like sand patterns are also found across ...
Planetary Sciences
Sep 30, 2021
0
429
Rift Valley lakes within eastern Africa range from freshwater to highly alkaline systems and are homes to diverse ecosystems. These Rift Valley lakes are also sedimentary repositories, yielding a high-resolution environmental ...
Earth Sciences
Sep 21, 2021
0
114
International drilling efforts over the last decades into the seafloor have provided increasing evidence for the existence of an extensive deep biosphere below the seafloor. There, circulating fluids in the sub-seafloor deliver ...
Earth Sciences
Jul 27, 2021
1
491
Academics believe they have identified a remarkable geological secret: A sunken continent hidden under Iceland and the surrounding ocean,which they have dubbed "Icelandia."
Earth Sciences
Jun 30, 2021
0
18
Subsurface carbon sequestration—storing carbon inrocks deep underground—offers a partial solution for removing carbon fromthe atmosphere. Used alongside emissions reductions, geologic carbonsequestration could help mitigate ...
Earth Sciences
Jun 29, 2021
0
391
The Paleozoic era culminated 251.9 million years ago in the most severe mass extinction recorded in the geologic record. Known as the "great dying," this event saw the loss of up to 96% of all marine species and around 70% ...
Earth Sciences
May 19, 2021
0
12
