Earth and Other Terrestrial Planets Formed from Inner Solar System Material, Study Suggests

Baby Seals Can Change Their Tone Of Voice, Study Finds

Study gives a new perspective on why our planet has managed to stay habitable for billions of years -- concluding it is almost certainly due, at least in part, to luck. The research suggests this may shorten the odds of finding life on so-called 'twin-Earths' in the Universe.

Children as young as five will stop peers breaking the rules, study suggests