The search for Malaysia Airlines Flight 370 is now in its 40th day, and searchers have yet to turn up a piece of the plane.
If the aircraft is found at the bottom of the Indian Ocean, investigators will have to figure out how to retrieve the black boxes and salvage the wreck from the sea floor.
CNN's Akiko Fujita takes us inside the challenging recovery operation.
"Blood moon" madness struck Tuesday morning, with people talking and tweeting incessantly about the lunar eclipse.
There were a few selfies and a lot of "blood moon" photos. Our Jeanne Moos has the story.
It's a race against time to contain the spread of a deadly Ebola Outbreak in Western Africa. It's one of the most contagious diseases known to man.
The death toll is rising, and Ebola has, so far, spread from a remote corner of Guinea to the capital city of Conakry, home to two million people. It has also spread to neighboring Liberia.
Dr. Sanjay Gupta is in Conakry, Guinea with exclusive access to patients being tested for Ebola in an isolation ward. He's OutFront.
It will be another couple of weeks before it's actually in use, but a pot vending machine has been unveiled in Colorado.
It got CNN's Jeanne Moos thinking about vending machines of the future as well as the ones that have gone up in smoke.
A U.S. official tells CNN the phone of the co-pilot of Malaysia Airlines Flight 370 was on and made contact with a cell tower in Penang, Malaysia, about 250 miles from where the plane's transponder last sent a signal.
Based on data provided by Malaysian authorities, the official says the phone was searching for service, and that, of the 238 other people on board, only his phone pinged the tower and no other phone was detected.
Was the co-pilot trying to make a call?
CNN Technology Analyst Brett Larson breaks down this latest revelation.