Photographers capture mutant crayfish, cleaning fish, and synchronized whales in this year's top underwater contests.

The month is packed with skywatching highlights—including six visible planets, an annular solar eclipse, and the Milky Way’s bright core returning to view in the Northern Hemisphere.

Australia consists of eight diverse states and territories, each offering unique experiences like iconic landmarks, natural wonders, wildlife, cultural attractions and culinary delights for travelers.

This winter, the Northern Hemisphere has been suffering from extreme cold. In South Korea, an unusually prolonged cold wave ...

The National Weather Service on Thursday warned that “dangerously cold and very dry Arctic air” will spill into the ...

The Coriolis effect is the apparent bending of winds and currents caused by Earth’s rotation, shaping the swirl of storms and ...

While Australia endures a torrid summer, much of the Northern Hemisphere is experiencing an abnormally warm, dry winter.

Rising Arctic temperatures and melting sea ice could be causing cold air to flow into the Northern Hemisphere. But not all ...

Penguin Walking Toward Mountain or Nihilist Penguin, also known as Lonely Penguin, Wandering Penguin or Werner Herzog’s ...

It’s summertime somewhere. It almost seems like it is here, based on how very parched the landscape is and how downright balmy ...

The formally feathered, flightless aquatic birds known as penguins dominate the frigid waters surrounding the subantarctic ...