Earth's breathable atmosphere is key for life, and a new study suggests that the first burst of oxygen was added by a spate of volcanic eruptions brought about by tectonics.
Earth Sciences
Dec 2, 2019
11
1109
Oxygen didn't catalyze the swift blossoming of Earth's first multicellular organisms. The results of a new study defy a 70-year-old assumption about what caused an explosion of oceanic fauna hundreds of millions of years ...
Evolution
Jul 18, 2023
1
127
Researchers at the University of Tsukuba have made a groundbreaking discovery regarding the origins of non-meteoric water in natural spa waters located in central Japan. Based on numerical modeling, their results suggest ...
Earth Sciences
Dec 27, 2023
1
88
Oxygen first accumulated in the Earth's atmosphere about 2.4 billion years ago, during the Great Oxidation Event. A long-standing puzzle has been that geologic clues suggest early bacteria were photosynthesizing and pumping ...
Earth Sciences
Jun 9, 2020
3
524
A rover scanning the surface of Mars for evidence of life might want to check for rocks that look like pasta, researchers report in the journal Astrobiology.
Astrobiology
May 29, 2019
5
1278
Scientists have determined the structure of the protein complex that gives cyanobacteria their unique ability to convert weak, filtered sunlight into useable energy. Their findings could one day be used to engineer crops ...
Cell & Microbiology
Feb 5, 2020
1
588
The existence of habitable alien worlds has been a mainstay of popular culture for more than a century. In the 19th century, astronomers believed that Martians might be using canal-based transport links to traverse the red ...
Space Exploration
Dec 13, 2019
19
747
Modern life relies on plastic. This lightweight, adaptable product is a cornerstone of packaging, medical equipment, the aerospace and automotive industries and more. But plastic waste remains a problem as it degrades in ...
Polymers
Apr 10, 2024
4
115
The future economy based on renewable and sustainable energy sources might utilize battery-powered cars, large-scale solar and wind farms, and energy reserves stored in batteries and chemical fuels. Although there are examples ...
Materials Science
Sep 4, 2020
2
286
Using new data from the James Webb Space Telescope, astronomers have measured the abundance of oxygen in the early universe. The findings, accepted for publication in The Astrophysical Journal Supplement Series and posted ...
Astronomy
Nov 9, 2023
1
147
