Dartmouth researchers claim there may be no dark energy

Dartmouth researchers have ruled out a controversial theory, claiming that the accelerating expansion of the universe is an illusion.

Comet, not asteroid, killed dinosaurs 66 mn years ago

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.

Now, smartphone app to alert drowsy drivers

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.