NASA scientists found amino acids, key minerals, and nucleobases for DNA in samples from the OSIRIS-REx asteroid mission.

The Bennu discovery helps to illuminate how, early in the Solar System’s history, asteroids and other planetary building blocks were not just “lumps of stone and ice, but active ‘living’ objects”, ...

Scientists have long believed they understood how life’s genetic code evolved, but new research upends that assumption. By ...

Students use both morphology and analysis of DNA sequences to identify relationships ... us understand how evolution has shaped life on Earth. Deep Tree: Students explore an interactive tree ...

It's an epic at the center of life itself ... the 3.5-billion-year history of life on Earth––can be summarized in an enormous family tree. To help you explore this tree and understand ...

They’re the building rocks of life ... on Earth in 2023 for scientists to study. Researchers found that the fragments harbored all five nucleobases — the “letters” that comprise DNA ...

Besides well-known plant types found on Earth today they ... to this day. The "tree of life"—among the 9,500 species analyzed were 800 flowering plants alone whose DNA had so far not yet been ...

Yet the amount of DNA in each cell—what we refer to as genome size—spans an incredible range across the tree of life ... the ...

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 soup that existed billions of years ...

function and regulation of living organisms. Present also were all five nucleobases - the genetic components of DNA and RNA in all life on Earth.

The three-dimensional shape of a protein can be used to resolve deep, ancient evolutionary relationships in the tree of life ... the ancient history of life on Earth. The three-dimensional ...