If you think scientists are nerdy, wait until you see how they geeked-out over their success at landing a robot on a comet Wednesday.
CNN's Jeanne Moos has the comic side of making history on a comet.
Less than a week after Virgin Galactic's SpaceShipTwo disintegrated high above California's Mojave desert, technicians are reportedly already back at work building a second SpaceShipTwo in hopes of resuming test flights as early as next summer.
It's a quick turnaround considering so many unknowns remain, including what exactly caused the crash, as well as the mystery of how one of the two pilots managed to survive a disaster that unraveled at the speed of sound, 50,000 feet in the air.
CNN's Dan Simon has more.
A glass ceiling cracked Thursday as Apple chief Tim Cook became the first Fortune 1000 CEO to publicly acknowledge that he is gay.
In a column in Bloomberg Businessweek, Cook writes that he had long been open about his sexual orientation, but had just not discussed it publicly until now.
It's a watershed moment for corporate America, and in the life of a man who was born in a small town in Alabama and ended up at the helm of one of the world's most valuable companies.
CNN's Erin Burnett has the report.
An unmanned NASA-contracted rocket exploded early Tuesday evening along the eastern Virginia coast, causing a huge fireball but no apparent deaths.
"There was failure on launch," NASA spokesman Jay Bolden said. "There was no indicated loss of life."
NASA's mission control is trying to assess what went wrong. The launch director says they must maintain the crash site securely because of security concerns about the equipment on board - saying the rocket had "classified crypto equipment" on board.
According to NASA, the Orbital Sciences Corp.'s Antares rocket and Cygnus cargo spacecraft were set to launch at 6:22 p.m. ET from the Wallops Flight Facility along the Atlantic Ocean. It was set to carry some 5,000 pounds of supplies and experiments to the International Space Station.
In an interview with CNN's Erin Burnett, Scientist Bill Nye weighs in with his thoughts on why the rocket exploded during its launch.
The White House has detected suspicious cyber activity on its own computer network. White House officials are scrambling to figure out who is responsible.
CNN's Jim Acosta has the latest.