Natural History
Scientists find iron ‘snow’ in Earth’s core
The Earth's inner core is hot, under immense pressure and snow-capped, according to new research that could help scientists better understand forces that affect the entire planet.
A simplified graphic...
Natural History
Earth’s lower mantle can be oxidized in the presence of water
If we took a journey from Earth's surface to the center, the midway point locates roughly at 1900...
Natural History
New hope for world’s most endangered mammal
New genetic analysis of white rhino populations suggests it could be possible to rescue the critically endangered northern...
Natural History
Predicting unpredictability: Information theory offers new way to read ice cores
At two miles long and five inches in diameter, the West Antarctic Ice Sheet Divide (WAIS) ice core...
Natural History
Increasing value of ivory poses major threat to elephant populations
The global price of ivory increased tenfold since its 1989 trade ban by the Convention on the International...
Scientists suggest new age for East African Rift
The Great Rift Valley of East Africa—the birthplace of the human species—may have taken much longer to develop than previously believed, according to a...
80,000 acres of Guatemala forest protected
The Wildlife Conservation Society and partners signed an agreement this month that will safeguard some 80,000 acres of intact forest in Guatemala in the...
Amount of coldest Antarctic water near ocean floor decreasing for decades
Scientists have found a large reduction in the amount of the coldest deep ocean water, called Antarctic Bottom Water, all around the Southern Ocean...
Warming Antarctic brings changes to penguin breeding cycles
Three penguin species that share the Western Antarctic Peninsula for breeding grounds have been affected in different ways by the higher temperatures brought on...
Study of Patagonian Glacier’s rise and fall adds to understanding of global climate change
Glaciers play a vital role in Earth’s climate system, and it’s critical to understand what contributes to their fluctuation.
A team of researchers led by...
Wild orangutans stressed by eco-tourists
Wild orangutans that have come into contact with eco-tourists over a period of years show an immediate stress response but no signs of chronic...