Earlier this year, the concentration of carbon dioxide in the atmosphere reached 400 parts per million (ppm). The last time there was that much CO2 in our atmosphere was three million years ago, when...

Archaeologists have found an "extraordinary" Mayan frieze richly decorated with images of deities and rulers and a long dedicatory inscription, the Guatemalan government said...

Demolition has begun on the U.S. house where three women were held captive and raped for over a decade, and authorities want to make sure the rubble isn't sold online as "murderabilia,"...

An official says a Lion Air jet carrying 117 people hit a cow while landing and skidded off a runway in eastern Indonesia. No injuries were reported, but the incident forced the cancellation of...

Far from being on the brink of collapse, al-Qaida's core leadership remains a potent threat — and one that experts say has encouraged the terror network's spread into more countries...

A massive fire destroyed the arrivals hall at Kenya's main international airport early Wednesday, forcing the closure of East Africa's largest airport and the rerouting of all inbound...

A 100-pound (45-kilogram) python blamed in the strangling deaths of two Canadian boys apparently escaped from its enclosure, slithered through a ventilation system and fell through the ceiling into...

The U.S. military evacuated non-essential U.S. government personnel from Yemen on Tuesday due to the high risk of attack by al-Qaida that has triggered temporary shutdowns of 19 American diplomatic...

Japan marked the 68th anniversary Tuesday of the atomic bombing of Hiroshima with a somber ceremony to honor the dead and pledges to seek to eliminate nuclear weapons.   Some...

An intercepted secret message between al-Qaida chief Ayman al-Zawahri and his deputy in Yemen about plans for a major terror attack was the trigger that set off the current shutdown of many U.S....