The history of life on Earth has often been likened to a four-billion-year-old torch relay. One flame, lit at the beginning of the chain, continues to pass on life in the same form all the way down. But what if life is better ...
Evolution
Aug 16, 2021
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834
The impactor believed to have wiped out the dinosaurs and other life forms on Earth some 66 million years ago likely came from the outer half of the main asteroid belt, a region previously thought to produce few impactors. ...
Astronomy
Jul 28, 2021
8
2110
Australian scientists have unlocked another mystery of the class of microorganisms believed to be among Earth's oldest of life forms, throwing new light on the study of cell division and the evolution of life.
Cell & Microbiology
Apr 26, 2021
1
28
New cryo-electron microscopy images suggest archaeal microbes pack their chromatin into tight coils that can spring open, forming unexpected contortions.
Molecular & Computational biology
Mar 2, 2021
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3190
A pair of researchers from Toho University and NASA Nexus for Exoplanet System Science has found evidence, via simulation, that Earth will lose its oxygen-rich atmosphere in approximately 1 billion years. In their paper published ...
Amateur astronomer and YouTuber Alberto Caballero, one of the founders of The Exoplanets Channel, has found a small amount of evidence for a source of the notorious Wow! signal. In his paper uploaded to the arXiv preprint ...
The chemical ATP, adenosine triphosphate, is the fuel that powers all life. Despite ATP's central role, the structure of the enzyme generating ATP, F1Fo-ATP synthase, in mammals, including humans, has not been determined. ...
Molecular & Computational biology
Sep 14, 2020
0
26
Lichens may be the most easily overlooked life forms in nature. If you spend much time outside, you probably see some every day, although you might not know it—most people are likely to think they're moss. However, lichens ...
Evolution
Aug 11, 2020
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582
The Earth hosts an abundance of life forms—from well-known animals and plants to small, more hardy life forms such as archaea, viruses and bacteria. These life forms are fundamentally different all the way down to the cell ...
Biotechnology
Jun 17, 2020
0
169
A new tool that simultaneously compares 1.4 million genetic sequences can classify how species are related to each other at far larger scales than previously possible. Described today in Nature Biotechnology by researchers ...
Biotechnology
Dec 2, 2019
0
79
