Origin-of-life researchers have usually studied the potential of pure starting materials, but messy mixtures of chemicals may kick-start life more effectively.
A giant star’s death throes may offer the first evidence of a pair-instability supernova, and a glimpse of the first stars in the universe.
A new measurement appears to have eliminated an anomaly that had captivated physicists for nearly a decade.
While studying materials made from DNA-coated nanoparticles, researchers found a new form of this matter: lattices in which smaller particles roam like electrons in metallic bonds.
Modern humans and more ancient hominins interbred many times throughout Eurasia and Africa, and the genetic flow went both ways.