Scientists Say We May Have Been Wrong About the Origin of Life
In a new peer reviewed analysis, scientists quantify amino acids before and after our “last universal common ancestor.” The ...
Dormancy: Life's first survival strategy?
The early Earth was an extreme place. Asteroids pommeled the surface. Volcanoes spewed lava and carbon dioxide. The thick, ...
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Mars rock samples may contain evidence of alien life, but can NASA get them back to Earth?
NASA will explore two different strategies for fetching Mars rocks collected by the Perseverance rover, and there's a chance ...
NASA collected potential evidence of life on Mars. Now it’s pitching new plans to retrieve the cache
NASA has arrived at two ways of returning samples collected on Mars to Earth. Now, the agency will test the options to see if ...
Live Science27d
Alien life may look nothing like life on Earth — so how should we go about looking for it?
As life evolved on Earth, it used and created minerals for exoskeletons and habitats. The hundred minerals present when life first formed have grown to about 5,000 today. For example, zircons are ...
Earth's air war: Explaining the delayed rise of plants and animals on land
If you like the smell of spring roses, the sounds of summer bird song, and the colors of fall foliage, you have the ...
Greek Reporter2d
Earth’s Atoms Traveled Outside the Galaxy, Scientist Says
According to a new study, the carbon atoms that form part of all life on Earth may have traveled outside the galaxy first.