Wisdom - world’s oldest living, banded, wild bird - has returned to Midway Atoll National Wildlife Refuge. She's 64 years old and a symbol of hope and inspiration.
If a gap interrupts a swarm of army ants, they build a 'living bridge' using their own bodies. How? New research says ants perform a collective computation.
The World Meteorological Organization says high temps in 2015 are due to the overall trend of global warming, combined with the strong ongoing El Niño.
A large glacier in northeastern Greenland, called Zachariae Isstrom, has been melting faster since 2012. It's now losing mass at rate of 5 billion tons per year.
We know that dinosaurs laid eggs, but did they bury their nests as crocodiles do, or leave them open and exposed, like birds? New research has some answers.
A global fire alert from space, FireSat sensors would be able to detect a fire anywhere on Earth within 15 minutes of its start and notify area emergency responders.