Animals that researchers call “supersucklers” come back to nurse even after they can hunt, mate and fend for themselves.

To rule out nutrient scarcity as a cause, he says you’d need to look not only at the quantity of food, but also the quality.

Plenty of islands claim to be Galapagos-like, but are they really? These gorgeous, must-visit destinations have much in ...

This new 164-foot catamaran has blown the Galápagos Islands’ charter offerings wide open.

The Galapagos Islands represent one of Earth's most extraordinary natural laboratories, where wildlife roams without fear and ...

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

Few wildlife encounters are as charming as watching penguins waddle across a beach or dive gracefully into icy waters. These ...

Ancient shoreline features hint that water on Mars once formed a vast ocean.

9 best cruises to tick off your travel bucket list - Cruise editor Marc Shoffman selects some of the best sailings to enjoy ...

From Alaska’s Arctic tundra to Florida’s coral reefs, these remote parks promise adventure without the crowds.

The Houston Zoo is prepared to protect animals from the cold by staffing a 70-person crew to ride out the weekend.

"If they were purely made up of stars, they would be the densest galaxies in the universe." ...