Cold-adapted animals started to evolve 2.6 million years ago when the permanent ice at the poles became more prevalent. There followed a time when the continental ice sheets expanded and contracted ...

A new study has provided fresh insights into how animals such as the woolly mammoth, musk ox and arctic fox evolved to ...

The stately and inclined spiral galaxy NGC 3511 is the subject of this NASA/ESA Hubble Space Telescope image. The galaxy is ...

Verbal fluency is a particularly complex cognitive ability that requires the smooth interplay of different brain functions,” ...