In the quest to understand the potential for life beyond Earth, researchers are widening their search to encompass not only biological markers, but also technological ones. While astrobiologists have long recognized the importance ...
Astrobiology
Jan 2, 2024
0
119
The oxygen content of seawater has a profound impact on the cycling of bioessential elements and the habitability of Earth. But how and why the marine oxygen landscape (i.e., the spatial pattern of oxygen levels) evolved ...
Earth Sciences
Nov 1, 2023
0
29
There is growing consensus that our planet is likely to pass the 1.5℃ warming threshold. Research even suggests global warming will temporarily exceed the 2℃ threshold, if atmospheric carbon dioxide (CO₂) peaks at levels ...
Earth Sciences
Oct 11, 2023
20
81
Mineral particles played a key role in raising oxygen levels in the Earth's atmosphere billions of years ago, with major implications for the way intelligent life later evolved, according to new research.
Earth Sciences
Mar 6, 2023
0
43
Oxygen levels in the Earth's atmosphere are likely to have "fluctuated wildly" 1 billion years ago, creating conditions that could have accelerated the development of early animal life, according to new research.
Evolution
Oct 14, 2022
1
179
While wildfires over recent years have raged across much of the western United States and pose significant hazards to wildlife and local populations, wildfires have been a long-standing part of Earth's systems without the ...
Earth Sciences
Jun 14, 2022
0
215
A new study has found that plant species are adapted to the altitude where they grow by 'sensing' the oxygen levels that surround them.
Plants & Animals
Jun 1, 2022
0
17
The origin of complex cells started without oxygen, new research suggests.
Evolution
Apr 27, 2022
0
1338
Giant mountain ranges at least as high as the Himalayas and stretching up to 8,000 kilometers across entire supercontinents played a crucial role in the evolution of early life on Earth, according to a new study by researchers ...
Earth Sciences
Feb 3, 2022
20
866
Not long after the dawn of complex animal life, tens of millions of years before the first of the "Big Five" mass extinctions, a rash of die-offs struck the world's oceans. Then, for reasons that scientists have debated for ...
Ecology
Oct 5, 2021
1
1394
