Get a glimpse of the beautiful aurora australis that lit the skies of Australia and New Zealand.
Scientists said that the Great Barrier Reef has been severely damaged and can no longer be saved.
Birds are conscientious because they need life skills to survive.
Global sea levels are accelerating fast, according to a new study.
Did you know? Whales used to be only 15 feet long.
Himalayan Sherpas can overcome hypoxia on Mt. Everest than people from low-lying regions can.
California sets a new renewable energy record.
The global seed vault has been doomed because of permafrost melting in the Arctic.
Rare snail loses out on love when potential partners mate instead of getting together with him.
Fossils of an ancient winged serpent discovered in a 5-million-year-old sinkhole in Tennessee.
Scientists find geothermal water under unexpected region in NZ.
April 2017 was the second hottest April in 137 years -- and sea ice keeps on melting.