Lasers revealed that the city spanned roughly the same area as Beijing and may have been among the most densely populated in the region.

At first glance, the small golden mussel doesn't look like much of a threat. When clustered on a pier or the bottom of a buoy, the brownish spheres wouldn’t draw much attention, especially as they ...

Scientists have reported that the ozone hole over Earth's southern pole spans nearly 20 million square kilometers this year, ...

One of Philadelphia's most tactical, under-the-radar signings is willing to do whatever it takes to win this year.

British finance minister Rachel Reeves announced large tax increases on the rich on Wednesday, betting she could fund higher ...

These Dyson air purifier deals are too good to be missed — save hundreds of dollars on premium household appliances this Amazon Prime Day.