A new study in the journal Geology is shedding light on the brief but violent lives of maar-diatreme volcanoes, which erupt when magma and water meet in an explosive marriage below the surface of the earth.
Earth Sciences
Oct 3, 2012
2
0
A painstakingly detailed investigation shows that mass extinctions need not be sudden events. The deadliest mass extinction of all took a long time to kill 90 percent of Earth's marine life, and it killed in stages, according ...
Earth Sciences
Feb 3, 2012
0
1
More than 251 million years ago, at the end of the Permian period, Earth almost became a lifeless planet. Around 90 percent of all living species disappeared then, in what scientists have called "The Great Dying."
Earth Sciences
Oct 28, 2010
0
1
Four billion years ago, our then stripling sun radiated only 70 to 75 percent as much energy as it does today. Other things on Earth being equal, with so little energy reaching the planet's surface, all water on the planet ...
Earth Sciences
Apr 6, 2010
5
0
(PhysOrg.com) -- Scientists have gained new insight into the makeup of ancient meteorites called Carbonaceous Chondrites, in research published in the October edition of the journal Earth Science and Planetary Letters.
Astronomy
Nov 12, 2009
1
0
A study has unveiled a previously unknown mechanism that significantly influences Earth's climate.
Earth Sciences
Sep 12, 2023
0
68
Giant planets like Saturn don't just tilt over all by themselves; something has to knock them over, or tug on them gravitationally, to push them off axis. Scientists expect that when new planets are born, they form with almost ...
Planetary Sciences
Oct 18, 2021
0
28
As surely as the rains fall and flowers blossom, the Northern Hemisphere awakens every June to another, less inspiring rite of spring—a new peak level for global atmospheric carbon dioxide. This year, that number is 419 ...
Environment
Jun 8, 2021
82
45
The discovery of life on Mars would get pretty much everyone excited. But the scientists hunting for it would probably be happy no matter what the outcome of their search – whether life turned out to extinct, dormant or ...
Space Exploration
Apr 2, 2019
0
20
Engineers are troubleshooting a snag on NASA's Curiosity that's preventing the rover from moving its robotic arm and driving to another spot on Mars, the space agency said Tuesday.
Space Exploration
Dec 13, 2016
0
25
