Nearly everything in the universe is made of mysterious dark matter and dark energy, yet we can’t see either of them directly ...

For decades, scientists have searched for dark matter to explain what they observe in the universe. Despite massive detectors, underground labs, and space missions, no direct evidence has been found.

Scientist Kate Adamala doesn’t remember exactly when she realized her lab at the University of Minnesota was working on something potentially dangerous — so dangerous in fact that some researchers ...

The regulatory division of the immune system is vital for its overall function. Immune T cells originate in the bone marrow and then travel to the thymus—a kind of biological police academy. 2 Here, ...

A tech C.E.O. explains why A.I. probably won’t cure diseases anytime soon. Hint: You still need humans. By Kevin Roose Casey Newton and Rachel Cohn The leaders of the biggest A.I. labs argue that ...