The TSA might select you for a special screening if you have this one unassuming physical trait. Here's why it's a concern if ...

Humanity may not be extraordinary but rather the natural evolutionary outcome for our planet and likely others, according to a new model for how intelligent life developed on Earth.

A tour guide in the United Kingdom was confronted with something both rare and fantastical when he stumbled upon a 3-foot-long purple footprint pressed in coastal clay, a photo shows. It was clearly a ...

Marine researchers are investigating the death of a basking shark that washed up recently in Wellfleet. Here's what we know.

Elon Musk's 2016 prediction of humans setting foot on Mars by 2025 has resurfaced with his viral tweet featuring a futuristic ...