Ancient limestones reveal how volcanic carbon once suffocated the oceans - offering a stark warning as modern oxygen levels continue to drop.

The dust hurts air quality not only by giving skies a milky haze, but also by aggravating respiratory problems and triggering ...

The Road Chose Me Join me as I travel the world overland. In 2009 I quit my job and set out on the adventure of a lifetime.

Mercury is the month's highlight, reaching greatest elongation July 4. Also on show in the Southern Hemisphere: Mars, Saturn, ...

A new study has provided a major update on why Africa is being split into two. The rift has been happening gradually for ...

Forecasters are watching a potential system that could develop off the coasts of Florida. Plus, what to expect from Tropical ...

Forecasters say development chances are low but they're watching a potential system that could develop off the coasts of ...

Authorities say the death toll from severe floods that inundated parts of South Africa’s rural Eastern Cape province two ...

Our species arose in Africa roughly 300,000 years ago and later trekked worldwide, eventually reaching some of Earth's most ...

Humans arose in Africa roughly 300,000 years ago and later trekked worldwide, eventually reaching some of Earth's most remote ...

Can the vast and sparsely populated African country translate its renewable power potential into national development?

While Pennsylvania may be famous for its pretzels and cheesesteaks, this unassuming seafood haven is quietly revolutionizing ...