Is There a Ninth Planet in Our Solar System?
Scientists said they have found evidence of a giant planet far out in our solar system.
Scientists Find Most Ancient Evidence of War
British scientists say they have found the oldest known evidence of war.
New Device Shows Human Body As Never Seen Before
Scientists are developing a medical device that could tell them more about the human body, and help them develop more-effective treatments for cancer, heart disease and brain disorders.
Apple Rejects Order About Attacker’s iPhone
Apple says it will fight the U.S. government about sharing information from the iPhone used by a shooter in a deadly attack in California.
White House Joins Snapchat
The White House is officially on Snapchat.
Think You Know How Dogs Drink Water?
Researchers at Virginia Tech University have been studying how dogs drink.
Migrating Birds Can’t Find Their Way Home
A huge percentage of bird species are in danger because their habitats, or homelands, are disappearing.
Plant Your Mobile Charger in the Dirt
Three university students in Santiago, Chile have developed a plant-powered device to charge their mobile phones.
The Year in Science and Technology: Water found on Mars, and other NASA stories
NASA scientists discovered water flows on the surface of Mars.
The Year in Science and Technology: Human ancestors
In South Africa, scientists found bones in a cave they say are a new kind of early human ancestor.