A pair of massive sunspot swarms, some large enough to devour the Earth whole, have appeared on the surface of the Sun, increasing the chance of an intense solar storm. Sunspots are dark regions of … [+7221 chars]
Long before birds existed, the skies were ruled by giant airborne reptiles. According to a new fossil, not only did these creatures beat the birds to flight they also pre-empted their plumage.Debate … [+3546 chars]
