Extracted from: Nature (London, England), v. 171, no. 4356 (April 25, 1953). Names of Watson and co-author Sir Francis Crick at end of article. At head of title ...

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 ...

The intriguing findings bolster the theory that asteroids seeded the early Earth with life's chemical components - a process known as panspermia.

NASA’s OSIRIS-REx mission brought back pristine pieces of the asteroid Bennu in 2023—and these tiny grains are turning out to be a treasure chest of clues about how the solar system formed and how ...