Even the most ambitious part of NASA's current plans for human spaceflight involves visiting a celestial body we've already been to: the moon. Astronauts, space buffs and an unimpressed public hunger ...

WASHINGTON (Reuters) -After the demise of the dinosaurs following an asteroid strike 66 million years ago, mammals became ...

Excerpts from recent editorials in the United States and abroad: ___ April 29 The Washington Post says “this time” the US should stop a genocide This month marked a grim milestone for Sudan, the ...