Researchers learn more about teen-age T.Rex

Without a doubt, Tyrannosaurus rex is the most famous dinosaur in the world. The 40-foot-long predator with bone crushing teeth inside a five-foot long head are the stuff of legend. Now, a look within the bones of two mid-sized, ...

New device in New Mexico turns back clock on astronomy

A newly forged steel instrument that can pinpoint the path of stars and planets across the night sky using the naked eye is a throwback to the years just before the advent of telescopes, returning stargazers in the hills ...

All global sustainability is local

Nations across the world are following a United Nations blueprint to build a more sustainable future—but a new study shows that blueprint leads less to a castle in the sky, and more to a house that needs constant remodeling.

Australia scrambles to reach thousands stranded by bushfires

A major operation to reach thousands of people stranded in fire-ravaged seaside towns was under way in Australia on Wednesday after deadly bushfires ripped through popular tourist spots and rural areas leaving at least eight ...

Palau bans 'reef-toxic' sunscreen

Palau's pioneering ban on "reef-toxic" sunscreens took effect Wednesday as the tiny Pacific island nation introduced strict environmental measures that also include one of the world's largest marine sanctuaries.