Physicists confront the neutron lifetime puzzle

To solve a long-standing puzzle about how long a neutron can "live" outside an atomic nucleus, physicists entertained a wild but testable theory positing the existence of a right-handed version of our left-handed universe. ...

NASA satellite breaks from orbit around Earth, heads to moon

A satellite the size of a microwave oven successfully broke free from its orbit around Earth on Monday and is headed toward the moon, the latest step in NASA's plan to land astronauts on the lunar surface again.

Keeping the energy in the room

It may seem like technology advances year after year, as if by magic. But behind every incremental improvement and breakthrough revolution is a team of scientists and engineers hard at work.

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