USGS reports a 6.9-magnitude quake this morning - a strong earthquake - in the ocean near Indonesia's Ambon Island. Why this region is prone to strong earthquakes.
Over the past 14,000 years, penguin numbers in East Antarctica increased 135-fold because of disappearing glaciers and sea ice. How long can populations keep growing?
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.