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.

Adrián Simancas , a 24-year-old kayaker in Chile, detailed what it was like to be in the mouth of a humpback whale as his father captured the jarring encounter on video on Feb. 8.

Scientists have made a rare discovery off the coast of Portugal, where a frilled shark, a species that has remained nearly ...