Using new analyses, scientists have just found the last two of the five informational units of DNA and RNA that had yet to be discovered in samples from meteorites. While it is unlikely that DNA could be formed in a meteorite, ...
Astrobiology
Apr 26, 2022
6
3791
,Ancient rocks on the coast of Oman that were once driven deep down toward Earth's mantle may reveal new insights into subduction, an important tectonic process that fuels volcanoes and creates continents, according to an ...
Earth Sciences
Feb 12, 2022
0
44
The type of carbon is associated with biological processes on Earth. Curiosity scientists offer several explanations for the unusual carbon signals.
Space Exploration
Jan 19, 2022
0
83
Did Mars ever look like Earth? We think it did!
Planetary Sciences
Oct 15, 2021
0
209
Microscopic fossilized shells are helping geologists reconstruct Earth's climate during the Paleocene-Eocene Thermal Maximum (PETM), a period of abrupt global warming and ocean acidification that occurred 56 million years ...
Earth Sciences
Mar 8, 2021
0
94
Once upon a time, seasons in Gale Crater probably felt something like those in Iceland. But nobody was there to bundle up more than 3 billion years ago.
Astronomy
Jan 21, 2021
2
139
The ultra-powerful James Webb Space Telescope will launch soon. Once it's deployed and in position at the Earth-Sun Lagrange Point 2, it'll begin work. One of its jobs is to examine the atmospheres of exoplanets and look ...
Astronomy
Dec 24, 2020
2
905
A new study from scientists at Scripps Institution of Oceanography at UC San Diego and the University of Chicago sheds light on a hotly contested debate in Earth sciences: when did plate subduction begin?
Earth Sciences
Dec 9, 2020
0
633
Breathing quickly in the thin mountain air, my colleagues and I set down our equipment. We're at the base of a jagged outcrop that protrudes upwards out of a steep gravel slope.
Earth Sciences
Nov 3, 2020
0
14
A growing body of research suggests the planet Venus may have had an Earth-like environment billions of years ago, with water and a thin atmosphere.
Space Exploration
Oct 7, 2020
0
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