A Wolf-Rayet star is a rare prelude to the famous final act of a massive star: the supernova. As one of its first observations in 2022, the NASA/ESA/CSA James Webb Space Telescope captured the Wolf-Rayet star WR 124 in unprecedented ...
Astronomy
Mar 14, 2023
0
1817
Water and its movements within or between atmosphere, land and ocean defines the global water cycle and is central to the climate system. Almost all weather and climate phenomena are in some way tied to the water cycle. Examples ...
Environment
Sep 9, 2020
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1069
In understanding the global carbon cycle, "black carbon"—decay-resistant carbon molecules altered by exposure to fire or combustion—has long been presumed to originate on land and work its way to the ocean via rivers ...
Environment
Nov 7, 2019
4
527
NASA's Curiosity rover landed on Mars on Aug. 6, 2012, and since then has roamed Gale Crater taking samples and sending the results back home for researchers to interpret. Analysis of carbon isotopes in sediment samples taken ...
Planetary Sciences
Jan 17, 2022
8
793
The ESA/NASA Solar Orbiter spacecraft has discovered a multitude of tiny jets of material escaping from the sun's outer atmosphere. Each jet lasts between 20 and 100 seconds, and expels plasma at around 100 km/s. These jets ...
Astronomy
Aug 25, 2023
0
192
Antarctic krill are well-known for their role at the base of the Southern Ocean food web, where they're food for marine predators such as seals, penguins and whales.
Earth Sciences
Oct 18, 2019
0
1943
A new study shows a correlation between the end of solar cycles and a switch from El Nino to La Nina conditions in the Pacific Ocean, suggesting that solar variability can drive seasonal weather variability on Earth.
Planetary Sciences
Apr 5, 2021
16
8744
Although you may never have heard of the cytochrome P450 superfamily of enzymes, these proteins play diverse and critical roles in humans through the metabolic processing of drugs, pesticides, fatty acids, fat-soluble vitamins, ...
Biochemistry
Feb 27, 2024
0
65
Imagine a jungle. It's probably a lush forest, filled with different bird songs and the hum of thousands of different kinds of insects. Now imagine a tundra: barren, windswept terrain with relatively few kinds of plants or ...
Evolution
Aug 26, 2023
0
267
Invasive earthworms are changing the makeup of soil in Canada's boreal forests, new University of Alberta research shows.
Plants & Animals
Sep 11, 2023
2
65
