Video: Underwater fish tornado

'Fish tornado' video taken off Cabo Pulmo National Park in Baja, California.

Death Valley designated as an International Dark Sky Park

On February 20, 2013, Death Valley National Park earned designation as an International Dark Sky Park for its pristine views of the starry nighttime sky.

Why is this Northern Hemisphere spring so cool?

Scientists are beginning to offer explanations as to how global warming can lead to a longer winter.

Images of March full moon: A dozen of the coolest and most gorgeous

Be nice to yourself and look at these amazing photographs of the March 26, 2013 full moon by our obviously talented EarthSky Facebook friends.

Video: March 17 CME strikes Earth’s magnetic field

The video starts slowly ... but then becomes very beautiful as auroras ripple across the sky. Plus ... what causes an aurora.

6.2 magnitude earthquake strikes near Guatemala City

On March 25, 2013, a 6.2-magnitude earthquake struck six miles from Guatemala City. No reports of injuries or damages. No tsunami warning.

Video: Too close to a tornado in Australia

Two men got too close to a large tornado that devastated parts of Victoria, Australia on March 21. Never attempt to race a tornado. Warning: video contains vulgar language.

Businesses, retail stores and families: Prepare for tornado season

If you manage (or work at, or shop at) a local restaurant, gas station or retail store, what would you do if a tornado were headed your way?

More corn for biofuels means fewer grasslands and wetlands

Using data on crop cover from USDA, researchers demonstrate that the rate of land use change to corn and soy is comparable to deforestation rates in Brazil and Indonesia in the 1980s.

Honey bees make poor substitutes for wild pollinators

Fifty scientists from 17 countries investigated the vital role that wild insects play in crop pollination. They sampled 600 agricultural fields on every continent except Antarctica.