A new experiment conducted at the National Ignition Facility (NIF) assessed the ability of U.S. nuclear weapons to survive encounters with adversary missile defenses and reach their targets. The ...

Harvard scientists plan to launch a balloon this summer to test the equipment needed for the first geoengineering experiments in the stratosphere. Trapped inside a long glass tube in a ground-floor ...

This is an archived article and the information in the article may be outdated. Please look at the time stamp on the story to see when it was last updated. WASHINGTON (AP) — Chinese researchers are ...

WASHINGTON (AP) — Chinese researchers are reporting new steps in the quest for animal-to-human organ transplants – with a successful pig kidney transplant and a hint Wednesday that pig livers might ...