SAN FRANCISCO - Scientists say they've made a breakthrough in their pursuit of computers that "think" like a living thing's brain - an effort that tests the limits of technology.

Thousands of fish may die when poison is dumped into a canal near Lake Michigan, but it's necessary to prevent an onslaught of Asian carp that could devastate the $7 billion Great Lakes sport fishery, officials said Monday.

For NASA’s stuck Mars rover, the Spirit may be willing, but the wheels could prove too weak.