New research suggests that ravens in the western US are making their homes on electricity poles in unprecedented numbers.

There is disarray over government plans to prevent new developments making flooding worse, BBC News learns.

Lions, wolves, bears and other big meat-eating animals are rapidly declining around the world say scientists.

Astronomers get ready for their best ever glimpse of the mysterious black hole at our galaxy's heart.

The oldest evidence of sexual reproduction in a flowering plant - dating back 100 million years - has been found in Burma.

A leading scientist says that a modest investment would answer the question about climate and extreme weather within two years.