Just a boat ride from Sicily, the island of Salina offers an authentic, laid-back Italian getaway with volcanic cliffs, lush landscapes, and extraordinary views.

NASA's Phoenix lander, which touched down on Mars in 2008, initially struggled to scoop the planet’s rusty red regolith into a device that heats the rocks to sniff out their components.

A new study based on two decades of data shows what happens in an ocean ecosystem without great white sharks. Great white sharks, like this one pictured in 2014, were once common residents in the ...

China aims to upstage the U.S. China’s national park system will eclipse the US version, says Mei Zhang, CEO of Wild China, one of the country’s biggest tour companies.