Even in their dark isolation from the atmosphere above, caves can hold a rich archive of local climate conditions and how they've shifted over the eons. Formed over tens of thousands of years, speleothems—rock formations ...
Earth Sciences
Mar 2, 2023
0
97
As you are reading this, more than 400 miles below you is a massive world of extreme temperatures and pressures that has been churning and evolving for longer than humans have been on the planet. Now, a detailed new model ...
Earth Sciences
Jan 12, 2023
3
602
A new paper enriches scientists' understanding of where the rock record preserved or destroyed evidence of Mars' past and possible signs of ancient life.
Planetary Sciences
Jul 8, 2021
19
1270
Imagine reading by the light of an exploded star, brighter than a full moon—it might be fun to think about, but this scene is the prelude to a disaster when the radiation devastates life as we know it. Killer cosmic rays ...
Astronomy
Aug 18, 2020
7
6859
It is well known that life on Earth and the geology of the planet are intertwined, but a new study provides fresh evidence for just how deep—literally—that connection goes. Geoscientists at Caltech and UC Berkeley have ...
Earth Sciences
May 10, 2019
8
578
For anyone who has ever wished there were more hours in the day, geoscientists have some good news: Days on Earth are getting longer.
Earth Sciences
Jun 4, 2018
11
378
(PhysOrg.com) -- New scientific findings by geologist Robert Gastaldo of Colby College in Waterville, Maine, and colleagues call into question popular theories about the largest mass extinction in Earth's history.
Earth Sciences
Mar 2, 2009
3
1
South Africa's Cape south coast offers many hints about how our human ancestors lived some 35,000 to 400,000 years ago during the Pleistocene epoch. These clues are captured in the dunes they once traversed, today cemented ...
Archaeology
Apr 1, 2024
0
183
Communities of microbes that live in ocean sediments can consume methane. In oxygen-deprived sediments these microbes form clusters, called aggregates, that can have deposits of silica on their surfaces. It is not clear if ...
Cell & Microbiology
Mar 28, 2024
0
1
Massive volcanic events in Earth's history that released large amounts of carbon into the atmosphere frequently correlate with periods of severe environmental change and mass extinctions. A new method to estimate how much ...
Earth Sciences
Feb 29, 2024
0
177
