Hints of ancient microbes in Martian rocks and a revived theory about our cosmic ancestry are forcing scientists to rethink ...

Just off a quiet Aegean shoreline, scientists have stumbled onto a seafloor landscape that looks less like a Mediterranean ...

Here are five of the biggest changes taking effect: The Trump administration unveiled a proposal in September to change how H-1B visas are awarded, a program that has become a cornerstone of the tech ...