Two enormous structures that sit at the border between the Earth's mantle and its core have puzzled scientists for decades.

An updated official map issued by the Chinese government has sparked controversy by appearing to include parts of Russian ...

Marvel's epic One World Under Doom crossover ends with a major death and a new character being crowned Sorcerer Supreme. Here ...

Once the symbol of the president’s immigration policies, the wall has been eclipsed by his deportation efforts, but with $46.5 billion from Congress, construction is ramping up on the Rio Grande.

Scientists may finally be closing in on the origins of two colossal, mysterious structures buried nearly 1,800 miles inside ...

An Indonesian student suspected of carrying out a bomb attack at his school mosque in Jakarta wrote of feeling isolated in ...

These stunning photos give a bird's-eye perspective on our extraordinary planet, making ordinary places look like ...

Join us on a captivating journey through the best photos of Earth taken from space, a collection showcasing our planet's ...

President Donald Trump on Sunday rejoiced in the abrupt resignations of the BBC's director-general Tim Davie and news head ...

Carlsbad Caverns National Park in southeastern New Mexico is home to 119 known caves, including North America's largest cave chamber, the Big Room. Every year, record-seeking surfers and spectators ...

The people of Bajo Chiquito grew rich catering to migrants. Here's how the village in Panama is adapting to life without them ― and their cash.