Charles Darwin described evolution as "descent with modification." Genetic information in the form of DNA sequences is copied and passed down from one generation to the next. But this process must also be somewhat flexible, ...
Evolution
Mar 4, 2024
0
342
When we look at the moon, either through a pair of binoculars, a telescope, or past footage from the Apollo missions, we see a landscape that's riddled with what appear to be massive sinkholes. But these "sinkholes" aren't ...
Astrobiology
Jan 11, 2024
0
6
In 1960, while preparing for the first meeting on the Search for Extraterrestrial Intelligence (SETI), legendary astronomer and SETI pioneer Dr. Frank Drake unveiled his probabilistic equation for estimating the number of ...
Astrobiology
Sep 29, 2023
7
67
One of the biggest crises in Earth history was marked by a revolution in the shellfish—brachiopods, sometimes called "lamp shells" were replaced everywhere ecologically by the bivalves, such as oysters and clams. This happened ...
Evolution
Sep 14, 2023
0
34
Oak Ridge National Laboratory scientists studied hot springs on different continents and found similarities in how some microbes adapted despite their geographic diversity.
Evolution
Sep 13, 2023
0
13
Scientists at Newcastle University have uncovered a source of oxygen that may have influenced the evolution of life before the advent of photosynthesis.
Earth Sciences
Aug 8, 2022
7
118
According to a new concept by LMU chemists led by Thomas Carell, it was a novel molecular species composed out of RNA and peptides that set in motion the evolution of life into more complex forms.
Evolution
May 12, 2022
2
1050
A study using the thermal history and biosignatures of the upper few kilometers of some of the oldest rocks on Earth place constraints on the evolutionary history of microbes in the deep biosphere. A new study, published ...
Earth Sciences
Nov 1, 2021
3
1597
The formation of hybrids—organisms obtained after crossing genetically different forms—is more widespread in nature previously thought. Usually, only closely related species can hybridize. For example, hybrids occur in ...
Evolution
Aug 19, 2021
0
172
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
0
834
