Scientists using the ACT have captured the clearest images of the universe first light, refining its age and expansion rate.

Last year, an enormous map of the cosmos hinted that the engine driving cosmic expansion might be sputtering. Now physicists ...

This strange and mesmerizing sea creature can age in reverse when times get tough, in a move that would make Benjamin Button ...

From brain health — through good sleep habits — to daily skin and dental care regimens, these experts provide simple tips for ...