Astronomers could use specific radio signals from the universe's earliest epoch to "weigh" the first stars in the cosmos. The investigation could reveal more about the so-called C ...

Everyone knows about the meteor that ended the age of dinosaurs - except that it wasn’t the biggest extinction event. Long ...

Tropical Storm Andrea, the first tropical storm of the Atlantic hurricane season, has formed, the National Hurricane Center said Tuesday. Andrea formed 1,205 miles (1,940 kilometers) west of the ...

In 1953, Iran is at a crossroads. After decades of interference by foreign powers eager to exploit its oil reserves, the ...