The two superpowers this week laid out sharply opposed views on how to navigate the future, in speeches that were delivered on the same day but were a world apart, in geography and ideas. In Beijing, ...

Space scientists say they have located a planet killer capable of ripping worlds to pieces ... dwarf may have torn a Jupiter-sized planet apart. A new study used data from powerful X-ray missions ...

Four years after the The Guinness Book of Records first published in 1955, an Indianapolis business owner had a brilliant idea for a marketing stunt: Break a world record. So the owner of the ...