Humans have been trying to search for signs of alien existence for decades. Now scientists will send messages so that aliens can find us.
President Obama is not finding enough time to permanently conserve the Arctic refuge.
Cimaglermin may be the savior of millions of heart failure patients.
Two legacies in the entertainment industry died over the past few days and heart problems were to blame.
A group of fossilized Limusaurus shed new light on evolutionary development of beak in birds.
Smallest diamond in the world used to make electrical wires, which were only three atoms in width.
Archeologists found proof of intelligent thinking in our ancestors.
A 5-month-old baby, Daniel McCabe, received a life-saving liver transplant just after 40 minutes of being placed on the waiting list.
Spaceflight stories in 2016.
VSS Unity, Virgin Galactic's second SpaceShipTwo, glides during a Dec. 22 flight test.
Iconic actress Carrie Fisher passed away at the age of 60 during the morning hours of Dec. 27.
Cheetahs, the world's fastest mammals, are racing toward extinction because of human development.