(PhysOrg.com) -- NASA scientists studying the origin of life have reproduced uracil, a key component of our hereditary material, in the laboratory.
Biochemistry
Nov 6, 2009
0
2
(PhysOrg.com) -- Evidence that the toxic element arsenic can replace the essential nutrient phosphorus in biomolecules of a naturally occurring bacterium expands the scope of the search for life beyond Earth, according to ...
Space Exploration
Dec 2, 2010
27
0
(PhysOrg.com) -- Panspermia is a mechanism for spreading organic material throughout the galaxy, but the destructive effects of cosmic rays and ultraviolet light tend to mean most organisms would be destroyed or arrive on ...
In the strange, dark world of the ocean floor, underwater fissures, called hydrothermal vents, host complex communities of life. These vents belch scorching hot fluids into extremely cold seawater, creating the chemical forces ...
Astrobiology
Nov 23, 2021
5
1379
A new global study of how calcium concentrations are changing in freshwater lakes around the world has revealed that in widespread areas in Europe and eastern North America, calcium levels are declining towards levels that ...
Environment
Aug 6, 2019
4
388
New research has been published on the organic analysis of the Winchcombe meteorite that crash landed onto a driveway in Winchcombe, Gloucestershire in 2021. The research, led by Dr. Queenie Chan, from the Department of Earth ...
Planetary Sciences
Jan 10, 2023
0
6446
Asteroid dust collected by a Japanese space probe contains organic material that shows some of the building blocks of life on Earth may have been formed in space, scientists said Friday.
Planetary Sciences
Jun 12, 2022
0
336
A new analysis of ancient faeces found at the site of a prehistoric village near Stonehenge has uncovered evidence of the eggs of parasitic worms, suggesting the inhabitants feasted on the internal organs of cattle and fed ...
Archaeology
May 20, 2022
0
327
New kinds of organic compounds, the ingredients of amino acids, have been detected in the plumes bursting from Saturn's moon Enceladus. The findings are the result of the ongoing deep dive into data from NASA's Cassini mission.
Astronomy
Oct 2, 2019
6
1147
Where did life come from? In recent years, many scientists have shifted from favouring a "primordial soup" in pools of water to hydrothermal vents deep in the ocean as the original source of life on Earth. But one of the ...
Earth Sciences
Nov 7, 2019
0
56
