If nonliving materials can produce rich, organized mixtures of organic molecules, then the traditional signs we use to ...

Open the Youtube video Biology has always been an unruly science. Cells divide when they want to. Genes switch on and off ...

Grab-and-go missions to asteroids have provided some of the most scientifically valuable samples since the Apollo ...

In a new peer reviewed analysis, scientists quantify amino acids before and after our “last universal common ancestor.” The last universal common ancestor is the single life form that branched into ...

Gear-obsessed editors choose every product we review. We may earn commission if you buy from a link. Why Trust Us? Here’s what you will learn when you read this story: Abiogenesis—the emergence of ...

Scientists have warned that research into “mirror life” organisms — hypothetical life forms made up of molecules that perfectly mirror those found in regular life — should be stopped. Theoretically, ...

Kate Adamala had been working on something dangerous. At her synthetic biology lab, Adamala had been taking preliminary steps toward creating a living cell from scratch with one key twist: All the ...

In living organisms today, complex molecules like RNA and DNA are constructed with the help of enzymes. So how did these molecules form before life (and enzymes) existed? Why did some molecules end up ...

"Until we can separate these signals more clearly, we have to be especially careful not to misinterpret them as signs of life." When you purchase through links on our site, we may earn an affiliate ...

No life has been found on Saturn's 310-mile-wide moon Enceladus. Tthe team of researchers turned to observations made by NASA’s Cassini spacecraft in 2008 during a close flyby of Enceladus to find new ...