Mars was once a wet world. The geological record of the Red Planet shows evidence for water flowing on the surface—from river deltas to valleys carved by massive flash floods.
Planetary Sciences
Feb 22, 2024
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Researchers from the University of Seville have investigated how the flowering of 51 species of shrubs, bushes and trees has changed over the last 35 years in Doñana National Park so as to understand how plant communities ...
Plants & Animals
Feb 16, 2024
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Communities of microorganisms at the bottom of polar lakes evolved independently from other regions, influenced by the particular geological, biological, and climate history of their regions. The unique character of the microbial ...
Evolution
Feb 14, 2024
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Climate changes usually happen over long periods of time, but during the last glacial period, extreme fluctuations in temperature occurred within just a few years. Researchers at the University of Basel have now been able ...
Earth Sciences
Feb 12, 2024
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In 2023, we saw a raft of news stories about climate tipping points, including the accelerating loss of Greenland and Antarctic ice sheets, the potential dieback of the Amazon rainforest and the likely weakening of the Atlantic ...
Earth Sciences
Feb 6, 2024
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A pair of small, interacting galaxies shine in this new NASA Hubble Space Telescope image. The larger of the two galaxies is named NGC 5410 and was discovered in 1787 by British astronomer William Herschel. It spans 80,000 ...
Astronomy
Jan 29, 2024
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Humans and our closest relatives, living apes, display a remarkable diversity of types of locomotion—from walking upright on two legs to climbing in trees and walking using all four limbs.
Evolution
Jan 29, 2024
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Colorful flowers, and the insects and birds that fly among their dazzling displays, are a joy of nature. But how did early relationships between flower color and animal pollinators emerge?
Evolution
Jan 26, 2024
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A team of scientists led by a Tulane University oceanographer has found that deposits deep under the ocean floor reveal a way to measure the ocean oxygen level and its connections with carbon dioxide in the Earth's atmosphere ...
Earth Sciences
Jan 19, 2024
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Equine scientists at Nottingham Trent University wanted to see how the level of arousal in horses—the extent to which they might be excited or stressed for instance—affected their performance in a cognitive task.
Plants & Animals
Jan 16, 2024
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