When NASA's upcoming Dragonfly probe skims the lakes of Saturn's moon Titan, it may encounter a froth akin to Earth's first signs of life, a new study suggests. Titan is strikingly similar to Earth in ...

Researchers mapped enzyme sequences from several thousand modern species onto an evolutionary tree of life. Their findings suggest that, shortly after cyanobacteria evolved the ability to produce ...

Aman Agrawal does not work for, consult, own shares in or receive funding from any company or organization that would benefit from this article, and has disclosed no relevant affiliations beyond their ...

Billions of years of evolution have made modern cells incredibly complex. Inside cells are small compartments called organelles that perform specific functions essential for the cell’s survival and ...

Researchers demonstrated how amino acids could spontaneously attach to RNA under early Earth-like conditions using thioesters, providing a long-sought clue to the origins of protein synthesis. This ...

Organic molecules delivered from extraterrestrial materials may have played a key role in supplying building blocks for life on Earth. Scientists have found ...