Prehistoric worms populated the sea bed 500 million years ago—evidence that life was active in an environment thought uninhabitable until now, research by the University of Saskatchewan (USask) shows.
Earth Sciences
Feb 28, 2019
5
1053
Oxygen in the form of the oxygen molecule (O2), produced by plants and vital for animals, is thankfully abundant in Earth's atmosphere and oceans. Researchers studying the history of O2 on Earth, however, know that it was ...
Earth Sciences
Feb 25, 2019
2
87
Fragments of moon rock brought back from the lunar surface by astronauts on the Apollo space missions are providing new insights about where our planet's life-giving water came from.
Space Exploration
Feb 20, 2019
0
36
For the past few million years the world's oceans have existed in a slightly alkaline state, with an average pH of 8.2. Now, with carbon emissions escalating, there is more CO₂ in the world's atmosphere. This dissolves ...
Earth Sciences
Jan 29, 2019
0
19
Lingering motion sickness is one of the occupational hazards of working at sea off the coast of Japan for three weeks. Hiroki Sone can attest to that, having spent part of the fall 2018 semester on the deepest scientific ...
Earth Sciences
Jan 16, 2019
0
6
Researchers at CU Boulder report that they may have solved a geophysical mystery, pinning down the likely cause of a phenomenon that resembles a wrench in the engine of the planet.
Earth Sciences
Oct 1, 2018
1
408
Hot vents in the deep sea and geysers on land document the penetration of water into the hot interior of the Earth. This happens primarily in regions where the crust breaks up and magma chambers are close to the surface, ...
Earth Sciences
Nov 22, 2017
0
15
Hawaii sits at the end of a chain of volcanoes running across the Pacific Ocean floor, but in the middle of this chain lies a bend of 60 degrees. For many decades geoscientists have struggled to explain exactly how and why ...
Earth Sciences
Nov 10, 2017
0
11
The first 1.5 billion years of Earth's evolution is subject to considerable uncertainty due to the lack of any significant rock record prior to four billion years ago and a very limited record until about three billion years ...
Earth Sciences
Nov 2, 2017
0
167
Scientists have long wondered how Earth's atmosphere filled with oxygen. UBC geologist Matthijs Smit and research partner Klaus Mezger may have found the answer in continental rocks that are billions of years old.
Earth Sciences
Sep 18, 2017
4
285
