People around the world are celebrating Mohandas K. Gandhi's 140th birthday, including children who dressed as him (mustache and all), U.S. President Barack Obama—even Google.

Whole villages have been wiped out and scores are dead after an earthquake in the South Pacific triggered a tsunami that swept across several islands, including American Samoa, which has now been declared a major disaster area.

Found by an amateur treasure hunter in England, the largest known Anglo-Saxon gold hoard is rich with precious stones and intricately wrought war gear.

Found by an amateur treasure hunter in England, the largest known Anglo-Saxon gold hoard is rich with precious stones and intricately wrought war gear.

Found by an amateur treasure hunter in England, the largest known Anglo-Saxon gold hoard is rich with precious stones and intricately wrought war gear.

See Ohio daredevils stage their own Burning Man festival, a planet take shape, whiskers go wild, and more in the week's best news pictures.

It turns out you can build Rome in a day, according to researchers using a new computer program that analyzes pictures posted online to rapidly reconstruct cities in 3-D.

Will day and night really be equally long on September 22, 2009, the autumnal equinox (or fall equinox)? Get the answer—and other first-day-of-fall facts.

Drastic drought conditions are killing iconic African animals and adding to political and ethnic tensions, according to relief workers who say Kenya is on the verge of disaster.

Using astronomy and archaeology, it's possible to calculate the exact day the ancient Egyptians started building the Great Pyramid of Giza, according to controversial new research.

On the 143rd anniversary of H.G. Wells's birth, several of the writer's inventions—such as moving walkways and sliding doors—have become reality while others, like the time machine, remain science fiction.

How well do you know H.G. Wells? Test your knowledge of the life and works of one of the fathers of science fiction today, his 143rd birthday.

H.G. Wells landed on Earth 143 years ago today, yet the "father of science fiction" forged worlds that in many ways seem strangely familiar today. Welcome to the future.

Gilded masks, llama bones, and ceramic bowls are among the treasures found in a tomb that may have belonged to an elite male of the pre-Inca Moche culture of Peru, archaeologists announced.

Decipher symbols of the Freemasons—the secret brotherhood featured in novelist Dan Brown's new book, The Lost Symbol.