The miles-wide asteroid that struck Earth 66 million years ago wiped out nearly all the dinosaurs and roughly three-quarters of the planet's plant and animal species.
Earth Sciences
Oct 4, 2022
0
414
A quick glance at a world precipitation map shows that most tropical rain falls in the Northern Hemisphere. The Palmyra Atoll, at 6 degrees north, gets 175 inches of rain a year, while an equal distance on the opposite side ...
Earth Sciences
Oct 20, 2013
1
0
Since the plate tectonics revolution of the 1960s, scientists have known that new seafloor is created throughout the major ocean basins at linear chains of volcanoes known as mid-ocean ridges. But where exactly does the erupted ...
Earth Sciences
Mar 27, 2013
10
0
Jewelers abhor diamond impurities, but they are a bonanza for scientists. Safely encased in the super-hard diamond, impurities are unaltered, ancient minerals that can tell the story of Earth's distant past. Researchers analyzed ...
Earth Sciences
Jul 21, 2011
1
1
(PhysOrg.com) -- In 2005, a gigantic, 35-mile-long rift broke open the desert ground in Ethiopia. At the time, some geologists believed the rift was the beginning of a new ocean as two parts of the African continent pulled ...
Earth Sciences
Nov 2, 2009
8
0
(PhysOrg.com) -- Geologists may have uncovered the answer to an age-old question - an ice-age-old question, that is. It appears that Earth's earliest ice ages may have been due to the rise of oxygen in Earth's atmosphere, ...
Earth Sciences
May 7, 2009
6
2
(PhysOrg.com) -- Hurricanes are well known for the trail of damage and debris they can leave on land, but less known for the invisible trail left over the ocean by their gale-force winds — a trail of carbon dioxide.
Earth Sciences
Mar 30, 2009
0
0
Scientists use tiny minerals called zircons as geologic timekeepers. Often no bigger than a grain of sand, these crystals record chemical signatures of the geological environment where they formed. In a new study led by scientists ...
Earth Sciences
Apr 3, 2024
1
109
A group of oceanographers with Laboratoire d'Océanographie Physique et Spatiale, University Brest, CNRS, has found evidence that suggests an unexpected sea level rise over the years 2014 to 2016 was likely due to consecutive ...
The strength of the wind has an important influence on ocean circulation. This is particularly true for extreme events such as storm fronts, tropical storms and cyclones. These weather patterns, which last from a few days ...
Earth Sciences
Oct 13, 2023
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