Lightning's role in making nitrogen available for life on Earth may have been relatively short-lived, according to a new study led by researchers at the University of St Andrews Centre for Exoplanet Science.
Astrobiology
May 23, 2023
0
237
Scientists from Durham University's Institute for Computational Cosmology used the most detailed supercomputer simulations yet to reveal an alternative explanation for the Moon's origin, with a giant impact immediately placing ...
Astronomy
Oct 4, 2022
0
808
Every summer, weather forecasters blast news about African dust plumes crossing the southern United States. And to most people, it's just dust, but to researchers at Texas A&M University, it's much more.
Earth Sciences
Sep 27, 2022
0
260
A team of researchers at the Max Planck Institute for Chemistry, working with a colleague from Université Paris-Saclay, has found evidence that suggests supernovae and their progenitors may have contributed more dust to ...
Ice cores allow climate researchers to look 800,000 years back in time. New research indicates that atmospheric carbon acts as fertilizer, increasing biological production. The mechanism removes carbon from the air and thereby ...
Earth Sciences
Mar 10, 2022
10
97
The source of marble for a statue of Apollo on the Greek island of Delos has been a mystery to art historians and archaeologists for decades. The stone's chemistry pointed geochemists to the southern end of the nearby island ...
Archaeology
Oct 12, 2021
0
457
International drilling efforts over the last decades into the seafloor have provided increasing evidence for the existence of an extensive deep biosphere below the seafloor. There, circulating fluids in the sub-seafloor deliver ...
Earth Sciences
Jul 27, 2021
1
491
Methane, a chemical compound with the molecular formula CH4, is not only a powerful greenhouse gas, but also an important energy source. It heats our homes, and even seafloor microbes make a living of it. The microbes use ...
Earth Sciences
May 5, 2021
1
1117
Scientists have recreated the reaction by which carbon isotopes made their way into different organic compounds, challenging the notion that organic compounds, such as amino acids, were formed by isotopically enriched substrates. ...
Astrobiology
Apr 29, 2021
0
27
Millions of ibis and birds of prey mummies, sacrificed to the Egyptian gods Horus, Ra or Thoth, have been discovered in the necropolises of the Nile Valley. Such a quantity of mummified birds raises the question of their ...
Archaeology
Sep 22, 2020
0
238
