For more than a century, the idea that life might have arrived on our planet from elsewhere in the cosmos sat at the fringes ...

Earths, vast underground oceans of molten rock may be quietly doing the work of life’s first line of defense: generating ...

A virus that infects nearly all children early in life has, in rare cases, been present within human DNA for thousands of ...

About 36% of Americans failed to receive refunds after purchasing an item online that they said never arrived or turned out ...