Scientists have warned an asteroid the size of Buckingham Palace is increasingly likely to hit Earth in the next decade - but the chances are still very small. NASA and the European Space Agency (ESA) ...

A coastal community in Southern California is shifting downslope -- and closer to the Pacific Ocean -- at a rapid rate, ...

The poisonous vegetation, hemlock, also known as hemlock water-dropwort, has been washing up along both the north and south ...