Scientists moved Saturday to prepare the world's largest atom smasher for exploring the depths of matter after successfully restarting the $10 billion machine following more than a year of repairs. Sat, 21 Nov 2009 16:35:05 GMT

Astronaut Randolph Bresnik is a new dad again, after launching into space and taking a spacewalk, all for the first time. Sun, 22 Nov 2009 14:09:46 GMT

Russian spaceship designer Konstantin Feoktistov, the only non-Communist space traveler in the history of the Soviet space program, has died at the age of 83. Sun, 22 Nov 2009 18:22:20 GMT

A spacewalking astronaut put aside the impending birth of his daughter and blazed through his first-ever venture outside the International Space Station on Saturday. Sat, 21 Nov 2009 19:39:58 GMT

Hackers break into the electronic files of one of the world's foremost climate research centers and post an array of e-mails which causes a stir among skeptics who say discussions show a conspiracy. Sat, 21 Nov 2009 15:34:47 GMT