A remarkably preserved, mummified reptile from 289 million years ago is rewriting what we know about how animals first ...
For more than 270 million years, trilobites were among the most successful and diverse creatures on Earth, with over 22,000 ...
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How plants and cells keep life running
From the tiniest cell motor to the grand sweep of Earth's carbon cycle, photosynthesis and cellular respiration form the ...
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Curiosity rover finds building blocks of life on Mars. Scientists aren't sure how they got there
NASA's Curiosity rover has found a diverse mix of organic molecules on Mars, including chemicals considered building blocks ...
The organic molecules discovered by NASA’s Curiosity rover could have been formed by life, but they could have also come from ...
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