Stretching almost 1,500 miles, the Great Barrier Reef is so vast that just 20% has been surveyed. With tourism funding ...

Tourists swim in a cenote, or flooded cave, outside Playa del Carmen, Mexico. The Yucatan Peninsula is dotted with thousands of these interconnected limestone caves, which are fed by a ...

Nighttime underwater photos show fish hanging out with jellyfish and anemones — perhaps seeking their protection.

Prioritizing which animals and plants to help is driven mostly by whether we like them or not. Some experts say that may not ...

Highlighting the best wildlife photography across land and sea, these the winners photos from this year's Wildlife ...

CHARLOTTE – Ami Vitale captured the moment the last surviving male northern white rhinoceros and his longtime caretaker ...

What do the Chrysler Building (New York), Palais de Chaillot (Paris), and Christ the Redeemer Statue (Rio de Janeiro) have in common? As bold icons of art deco, they illustrate the far-flung influence ...

National Geographic Explorer-at-Large Bob Ballard revisits the Iron Bottom Sound—rediscovering vessels, and making new finds. The IJN Teruzuki fought fiercely in the first and second naval battles of ...

Biblical archaeologists are using ancient texts and modern technology to uncover possible clues to one of Christianity's biggest mysteries. Thomas Cole's 1828 oil painting entitled "The Garden of Eden ...

Eight teams have made it into the MLB's wild-card series in pursuit of making it to their division's playoff series, and six are playing in a do-or-die Game 3 on Thursday. The four wild-card series ...

The Los Angeles Dodgers welcome the Cincinnati Reds to Dodger Stadium on Tuesday in the National League Wild Card round. While the Dodgers had won the National League West for quite some time, the ...

LOS ANGELES -- She lived as the last ruler of ancient Egypt, but little is known about Cleopatra's death. For 2000 years, the location of her tomb has been a mystery with few leads, until now.