In a new peer reviewed analysis, scientists quantify amino acids before and after our “last universal common ancestor.” The ...

On early Earth, the reaction could have taken place ... reacted with one another and ultimately led to the origin of life. A better understanding of how these components formed and fused together ...

“This is the first time that life got big,” Laflamme ... had believed that the Cambrian explosion was the point when life on Earth opened out, kaboom, like a starburst of wondrous beasts ...

could explain the origin of life on Earth. Watch the full documentary Science’s Biggest Mysteries on BBC Select. From the Mouse Bunker to the Embassy of Czechoslovakia, the Cold War buildings ...

Molecules that combine elements of RNA and DNA, so-called chimeric molecules, may have been an important step in the emergence of life on Earth from the primordial ... lifeforms—commonly thought to be ...

Roughly 201 million years ago, drastic changes extinguished many forms of life and led to conditions that allowed the ...

Researchers have innovatively merged protein structural data with genetic sequences to construct evolutionary trees, ...

We'll get to that, but first, consider why Titan is getting ... which provided the building blocks for life on Earth. Griffith's team also found tantalizing deposits of organic material in some ...