Later this summer, Arctic sea ice may diminish below the record low set last year. ...

Buses at the Dem's convention run on beer waste, while Republicans plan to use old furniture. ...

A stubby-faced dinosaur was once top predator in South America, fossils show. ...

A year after climbing into Victoria Crater, Opportunity will drive itself out on all six wheels. Hopefully. ...

Cells transformed inside a diabetic mouse become successful insulin-producers. ...

A plan to desalinate ocean water gets approval, but opposition continues. ...

Read full story for latest details. ...

Everyone knows that airlines make it difficult to redeem frequent-flier miles for free travel. Yet you may not know that they're making it expensive, too. ...

Everyone knows Boston is a city steeped in history, but on a steamy hot summer day, one of the best places to experience the city is from the ocean or the harbor. ...

Cows seems to have an inner compass that orients them north-south. ...