President Donald Trump plans to leave his mark on the nation's capital by building a Paris-like arch at one of the entrances ...

The idea of resurrecting dinosaurs from ancient DNA, made famous by Jurassic Park, might seem like a futuristic fantasy, but ...

Kate Adamala started work on a cell in which the natural molecular structure is reversed. Then a possible doomsday scenario became clear.

Before cells can divide, they first need to replicate all of their chromosomes, so that each of the daughter cells can ...