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.
Yellow-eyed penguins could be extinct in 25 years, despite NZ efforts to market species for tourism.
Be amazed at the stunning "total cloud inversion" captured at Grand Canyon, Arizona.
Pollution in untouched island proves just how much plastic trash can be a problem for the seas.