Latest about Planet Earth
El Niño could unleash several '10-year flood events' this winter in cities such as Seattle and San Diego
Climate change and rising sea levels could cause similar floods along the West Coast each year without El Niño by the 2030s, NASA warns.
500-year-old Hebrew note reveals 'lost' earthquake swarm in Italy
A Hebrew note found in the Vatican Library describes a 1446 earthquake swarm previously unknown to seismologists.
Mysterious hybrid species discovered hiding among 144-year-old 'zombie seeds' from secretive experiment
Scientists participating in one of the longest-running active scientific experiments have discovered a surprising hybrid plant hiding among seeds buried at a secret location on a university campus since 1829.
Underwater volcanic eruption gives birth to new island in the Pacific
A volcanic eruption off the Japanese island of Iwo Jima on Oct. 30 led to the formation of a new 330-foot-wide island just north of the explosion site.
Alarming collapse of Greenland ice shelves sparks warning of sea level rise
Three of North Greenland's eight enormous ice shelves have already undergone complete collapse.
Why do leaves change color in the fall?
Plants draw on a suite of pigments to produce energy from sunlight, and in the fall, some become more obvious than others.
Why is the sky blue?
The sky's blueness isn't from reflecting the water. Instead, its color has to do with scattered light.
Pristine coral reefs discovered near Galápagos Islands are thousands of years old and teeming with life
Scientists on a 30-day expedition off the coast of Ecuador have mapped two coral reefs and two seamounts more than 1,000 feet beneath the ocean surface.
