Archive

The neuroscientist Sheena Josselyn can evoke and erase memories in mice using new tools that precisely control the brain.

Nature’s laws are beautiful because they strike a compromise between boring symmetry and confusing asymmetry, physicists say.

Metal-eating microbes get energy from rocks and could teach us about life on other worlds — but first scientists had to learn how to grow them in the lab.

Scientists have figured out how microbes can suck energy from rocks. Such lifeforms might be more widespread than anyone anticipated.

Figuring out how these molecules form in the deep recesses of interstellar space might illuminate the origins of one of life’s distinguishing features.

Three puzzles test whether the concept of infinity has purchase in the physical world.

The spokesperson for the Laser Interferometer Gravitational-Wave Observatory called it “a promising start to mapping the populations of black holes in our universe.”

How interbreeding among early hominins harmed humans but may have slowed the Neanderthals’ decline.

What could cause galaxies millions of light years apart to all spew material in the same direction?