Dean Reynolds speaks to Bonnie Esrig, a retired employee of the IRS office that's accused of political targeting. She says that in her 24 years in the office under two Democratic and two Republican presidents, she never heard anyone say, "The president wants this done."
The explosion was so bright that it could be seen by the naked eye all the way from Earth.
Researchers say the possibility of cloning tissue can help fight health problems, but others questio...
The US Navy successfully launched an unmanned drone -- the bat-winged X-47B -- off the deck of an ai...
Canadian spaceman Chris Hadfield returns to Earth along with two other astronauts after a half-year ...
Singapore launches a public inquiry into the death of a US researcher whose family believes he was m...