Photos

Burmese Pythons Invade Florida

As many as 150,000 nonnative snakes are believed to be crawling through the Everglades, resulting in a ban on importation and interstate transportation of the species.

Special Report

Space & Astronomy

Cosmic dispatches — both late-breaking and from the archives

Scientists: NASA to Cut Missions to Mars

Scientists say NASA is about to propose major cuts in its exploration of other planets, especially Mars. And NASA's former science chief is calling it irrational

Giant Eye Will Peer at the Sky

At least three giant-telescope projects are now under way, and the biggest of them, the European Extremely Large Telescope, is finally breaking ground in Chile