Astronauts have their own way of celebrating the Earth Day. Get a glimpse of them.
Leaders from 175 countries have signed the Paris agreement on climate change at the United Nations in New York City.
Researchers have invented a nanowire-based battery that could last a lifetime.
The researchers found out that a group of mice flown aboard the space shuttle returned back to Earth with liver damage.
The heat wave in India killed more than 160 people in few weeks.
Eating 50 grams of processed meat, having 3 or more alcohol drinks a day and/or being obese raise the risks of acquiring stomach cancer.
A great white shark was spotted leaping out of water at Sunset Beach by a California surfer.
Transplantation of pancreatic islets is found to be a life-saving treatment for people who are hypoglycemic and also controls blood sugar of people with type 1 diabetes.
Scientists say that half of the natural wonder of Great Barrier Reef is dead or dying.
Ecuador has been hit by a 6.2-magnitude earthquake last Wednesday.
Monkey fossils were found in Panama Canal that belonged to South American monkey. It showed that these monkeys travelled from South America to North America 21 million years ago.
Trees share carbon via underground, study reveals.