A scientist has now revealed exactly how long it would take for humanity to go extinct if we stopped having babies.

Officials of a North Texas city have confirmed a sighting of a black bear at a gas station in the middle of town.

Invasive species are causing devastating damage to Tyler State Park in Texas. What's happening? New reporting by ...

Are we not citizens of this country? Or do we perhaps belong to some other country that you seem to want to punish us in this way?' asks Pir Gulam Shah, a resident of Keti Bandar, a sinking coastal ...

Tropical reefs might look like inanimate rock, but these colorful seascapes are built by tiny jellyfish-like animals called ...