Precursors of the molecules needed for the origin of life may have been generated by chemical reactions promoted by iron-rich particles from meteors or volcanic eruptions on Earth approximately 4.4 billion years ago, according ...
Astrobiology
May 25, 2023
0
180
One year ago, the Hunga Tonga-Hunga Ha'apai volcano erupted, causing widespread destruction to the Pacific Island Nation of Tonga, spewing volcanic material up to 58 km into the atmosphere. It brought a nearly 15 m tsunami ...
Earth Sciences
Jan 16, 2023
0
84
A deadly volcanic eruption near Tonga in January was the largest ever recorded with modern equipment, a New Zealand-led team of scientists revealed Monday.
Earth Sciences
Nov 21, 2022
0
287
A chemical analysis of sediment cores from the North Pacific Ocean show a consistent pairing of volcanic ash and hypoxia, a low ocean oxygen condition spanning thousands of years, during times of rapid climate warming at ...
Earth Sciences
Nov 2, 2022
1
141
An analysis of sediments from five North Carolina lakes near coal-burning power plants has found that coal ash pollution of surface waters has been more persistent and widespread than was previously known.
Environment
Oct 3, 2022
0
429
Planetary scientists from Rice University, NASA's Johnson Space Center and the California Institute of Technology have an answer to a mystery that's puzzled the Mars research community since NASA's Curiosity rover discovered ...
Space Exploration
Jul 25, 2022
0
1022
A new genomic study of the rarest pine tree in the world, the Torrey pine, aimed at bolstering the case for a genetic rescue of the species barely surviving in the western U.S., revealed the complexity and risk associated ...
Ecology
Jul 22, 2022
0
27
When smoke from the 2019–2020 Australian wildfires billowed across the Southern Ocean, the iron-rich particles it deposited on the ocean triggered an algae bloom bigger than Australia—and it had a rapid and prolonged ...
Earth Sciences
Jul 8, 2022
34
141
Archaeologists in Pompeii have discovered the remains of a pregnant tortoise that had sought refuge in the ruins of a home destroyed by an earthquake in 62 AD, only to be covered by volcanic ash and rock when Mount Vesuvius ...
Archaeology
Jun 24, 2022
0
378
Some 252 million years ago the world was going through a tumultuous period of rapid global warming.
Earth Sciences
May 10, 2022
0
109
