EARTH

As Africa emerges as "the 21st century continent," experts say its future rests on big ideas, entrepreneurship and local ownership.

Tuition fees and living costs for international students in Australia have soared by 166 percent over the past decade.

Europe may look like a disaster, but it's also home to some businesses that have success written all over them.

Africa-based U.S. troops are relying on the Chinese Apstar-7 satellite to communicate and share information.

Kimura is not only the oldest person in the world; he is also believed to be the longest-lived human being in recorded history.

To go or not to go? These controversial tourist attractions put many ethical travelers in a quandary.

Sea ice in the Arctic has become as extensive as it's going to get this year -- and it's the sixth-lowest maximum on record.

Mexico travel to face Honduras in Friday’s World Cup qualifier in San Pedro Sula.

In 2013, Earth Hour events will take place in more than 7,000 cities/towns across 152 countries and territories on all continents.

A Mars solar conjunction happens about once every 26 months, so this isn't NASA's first rodeo.

What could be done if a huge asteroid is heading towards New York City in three weeks? Answer is: “Pray,” says NASA chief.

A new sinkhole has opened up behind a house in Seffner, Fla., the same town where a man was swallowed by a sinkhole last week.

Before a Florida sinkhole swallowed a sleeping Jeff Bush in bed late Thursday night, he might never have known he was laying on the precipice of a geologic feature that could have been decades in the making.

Why has the world's biggest military, the People's Liberation Army of China, been ordered to start eating its leftovers?

Scientists trace South African climate history by studying layers of fossilized urine left by generations of rock hyraxes.

NASA said the meteor explosion was a "once in a century event" as 20,000 emergency responders converged on the area.

With the small near-Earth asteroid flyby on Feb. 15 and the meteor that broke apart over Russia on the same day, space objects crashing into Earth is a hot topic. To protect the earth, scientists have created a hypothetical asteroid defense system using lasers.

The mid-air explosion of a meteor over Russia echoes another extraterrestrial encounter that occurred more than a century ago known as the Tunguska Event.

A meteorite burst above the Ural Mountains in central Russia on Friday, showering debris over the region and injuring more than 400 people, local media reported.

More than 500 people were injured when a meteor shot across the sky and exploded over central Russia on Friday.

2012 DA14 will pass within 17,200 miles of Earth's surface on Friday -- a distance more than twice the diameter of our planet.