(Phys.org) —In the hunt for early life, geobiologists seek evidence of ancient microbes in the form of trace fossils – geological records of biological activity – embedded in lavas beneath the ocean floor. Filamentous ...
Ancient Mars may have had an environment capable of harboring an underground world teeming with microscopic organisms, French scientists reported Monday.
Planetary Sciences
Oct 10, 2022
2
610
Purdue University chemists have uncovered a mechanism for peptide-forming reactions to occur in water—something that has puzzled scientists for decades.
Biochemistry
Oct 3, 2022
2
1557
All baby birds have a moment prior to hatching when their hip bone is a tiny replica of a dinosaur's pelvis.
Plants & Animals
Aug 5, 2022
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1186
When baboons experience trauma in early life, they have higher levels of stress hormones in adulthood—a potential marker of poor health—than their peers who don't experience trauma, even if they have strong social relationships ...
Plants & Animals
Aug 3, 2020
0
463
An enduring question in geology is when Earth's tectonic plates began pushing and pulling in a process that helped the planet evolve and shaped its continents into the ones that exist today. Some researchers theorize it happened ...
Earth Sciences
Apr 22, 2020
4
3963
Rutgers researchers have discovered the origins of the protein structures responsible for metabolism: simple molecules that powered early life on Earth and serve as chemical signals that NASA could use to search for life ...
Biochemistry
Mar 16, 2020
31
19391
Uncovering how the first biological molecules (like proteins and DNA) arose is a major goal for researchers attempting to solve the origin of life. Today, chemists at Saint Louis University, in collaboration with scientists ...
Biochemistry
Oct 4, 2019
8
192
Scientists for the first time have found strong evidence that RNA and DNA could have arisen from the same set of precursor molecules even before life evolved on Earth about four billion years ago.
Biochemistry
Apr 1, 2019
59
906
Researchers at the University of California, Riverside, have found the oldest clue yet of animal life, dating back at least 100 million years before the famous Cambrian explosion of animal fossils.
Archaeology
Oct 15, 2018
1
390
