Dartmouth researchers have ruled out a controversial theory, claiming that the accelerating expansion of the universe is an illusion.
Most scientists agree that an asteroid impact killed off almost all the dinosaurs and some 70 percent of all other species living on Earth about 66 million years ago.
Researchers have developed a smartphone app that warns drivers with a blinking light and noise alert if they appear distracted or drowsy behind the wheel.
Day in Pics: 24th December
Showbiz World - December 24, 2014
Sunny Leone with Mastizaade