All fiction is metaphor,” wrote Ursula K Le Guin. “Science fiction is metaphor.” The writer, most famous for her Earthsea fantasy novels, captured the civil rights movement, second-wave feminism and ...

Add Yahoo as a preferred source to see more of our stories on Google. The SWIFT constellation, shown not to scale in this illustration, will fly farther than its predecessors to improve space weather ...

For decades, scientists have sought to unravel the mysteries hidden deep beneath Earth’s surface. One of the most puzzling regions has been the D" layer, located about 2,700 kilometres (1,700 miles) ...

The asteroid Apophis, nicknamed the 'God of Chaos,' will be approaching Earth on 13 April 2029, with NASA suggesting it will pose no risk of impact ...