Antarctica sets the stage for the world's greatest waterfall. The action takes place beneath the surface of the ocean. Here, trillions of tons of cold, dense, oxygen-rich water cascade off the continental shelf and sink to ...
Earth Sciences
May 27, 2023
14
752
A pair of planetary scientists, one with the University of Milan, the other with Columbia University, has found evidence that the exodus of hominins out of Africa approximately 1 million years ago may have been driven by ...
Clues from Canadian rocks formed billions of year ago reveal a previously unknown loss of life even greater than that of the mass extinction of the dinosaurs 65 million years ago, when Earth lost nearly three-quarters of ...
Earth Sciences
Aug 29, 2019
5
1957
Two hundred fifty-two million years ago, much of life on planet Earth was dying.
Earth Sciences
Aug 2, 2021
11
2742
Low oxygen conditions that pose a significant threat to marine life are widespread and increasing in coastal Pacific Northwest ocean waters as the climate warms, a new study shows.
Environment
Mar 20, 2024
3
351
SpaceX is often in the headlines; unfortunately, it is not always good news. On 18 November we saw the second of the Starship and SuperHeavy booster get off the launchpad successfully; it failed before reaching orbit. In ...
Space Exploration
Jan 23, 2024
1
22
In the search for life on other planets, the presence of oxygen in a planet's atmosphere is one potential sign of biological activity that might be detected by future telescopes. A new study, however, describes several scenarios ...
Astrobiology
Apr 13, 2021
2
5705
Is there oxygen on Mars? Technically yes, but it's nothing like the amount we have on Earth. So breathing is out of the question. However, there is a lot of carbon dioxide (CO2) on Mars.
Space Exploration
Oct 4, 2021
1
148
Environmental evidence of the very first experiments in the evolution of complex life on Earth, has been uncovered by an international team of scientists.
Paleontology & Fossils
Jul 29, 2024
2
869
How did life survive the most severe ice age? A McGill University-led research team has found the first direct evidence that glacial meltwater provided a crucial lifeline to eukaryotes during Snowball Earth, when the oceans ...
Earth Sciences
Dec 2, 2019
8
727
