How Weather Impacts First Blooms, Leaves

Now Playing

How Weather Impacts First Blooms, Leaves

Next Up

Lack Of Speed Disguises Avalanche’s Power

April Starts With A Pink Moon; Promises Much More

2 Killed When Jet Hits Fire Truck At LaGuardia

Muddy Geyser Erupts In Flooded Hawaii Street

NASA Building Lunar Base For Humans

How Will Pollen Counts Change This Week?

Watch: Helicopter Saves Dog From Frigid River

‘Earth Is Unbalanced’: Here’s Why

Experts Predict Damage To Cost $1 Billion

What’s Brewing In Your Tea? Microplastics

Watch: Lightning Fixates On NYC’s Tallest Skyscraper

Snow Fast, Snow Furious!

Don’t Try This At Home: Man Vs. Hailstorm

Millions Told To Give Up Coffee; Here's Why

Lightning Strike Ignites Gas Fire, Sets Street Ablaze

See Meteorites From That Ohio Fireball

Watch: Power Line Fire Goes From Bad To Worse

Here’s Your April To June Outlook

110 Degrees In March? Where It Happened

Watch: Massive Swiss Avalanche's Unexpected Ending

Storms Hit Texas Town With So Much Hail It Creates Fog

A First In 19 Years: Volcano’s Lava Reaches Sea

Watch: Massive Tornado Tears Through Illinois

Umbrella Up! What Rainwater Really Does To Skin