Supernova sends radioactive debris to earth in the form of iron-60 particles
Steel enclosure to be fitted over Chernobyl power plant will hopefully help contain radioactive materials for at least 100 years.
Butterflies also endangered, but there are ways to help
AI is now being used to help stop poaching of wild animals.
Researchers launch online project that gathers data from 50,000 people.
Polar bears now have to swim great distances hunt due to melting of ice caps
HCV can increase risks of head and neck cancers, according to studies.
Musical icon Prince dies at 57, fans offer tribute around the world, including NASA, which tweeted a Purple Nebula to honor the idol.
A mini-moon was seen on Earth Day -- the rare full moon appears 14% smaller than usual.
Doctors believe treatment for "mini-strokes" can cut the odds of a full stroke happening.
El Niño impacts farm fields in South Africa, resulting in their need for corn imports despite being the largest corn producer in the continent.
Animals are still thriving in areas near the Chernobyl -- impact of radiation may not have affected them as much as it did to humans.
