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Weather

Yellow and red are the primary colors in this double rainbow.

New Research

Not All Rainbows Have Every Color

Depending on the angle of the sun, ROY G. BIV don’t all necessarily appear

Trending Today

This Weekend’s Southern Lights Were Nothing Short of Spectacular

The Northern Hemisphere hasn’t yet cornered the market for glorious aurorae

A bird watcher walks through a dried-up riverbed in the Netherlands in 2007.

Age of Humans

A New “Drought Atlas” Tracks Europe’s Extreme Weather Through History

The data, based on tree rings, fills in details about past events and could help improve climate modeling for the future

The yellow-bellied sea snake usually swims in tropical waters but this week one made its way to the California shore

Trending Today

Venomous Sea Snake Washes Up on California Beach, and El Niño May Be to Blame

The lost sea snake isn’t the only problem the California can expect to face during a strong El Niño year

Trending Today

High Definition Video of Jupiter Reveals New Weather in the Great Red Spot

Video portrait shows massive storm changing as it shrinks

Cumulus clouds don't literally have silver linings, but their edges are sharper than we thought.

New Research

Holograms Show That Puffy Clouds Have Sharp Edges

A laser-based imaging technique let scientists see what happens to water droplets at the borders of cumulus clouds

New Research

Climate Change Is Turning 500-Year Floods Into 24-Year Ones

Rising sea levels and an increase in large storms will continue to threaten the Atlantic coast

Lightning strikes near the U.S. Capitol building

New Research

Lightning Strikes Can Change Rocks’ Atomic Structure

New research suggests that rock crystals melt under the intense force and heat of lightning

Trending Today

The Middle East Just Lived Through One of the Hottest Days in History

An Iranian city logged a 165-degree heat index last week as temperatures continue to boil

Cool Finds

This Video of Lightning in Slow Motion is Strangely Entrancing

Hypnotize yourself with lightning at 2,000 frames per second

Trending Today

There’s Still (Filthy, Disgusting, Not-Yet-Melted) Snow in Boston Right Now

The detritus of Boston’s most severe winter ever has yet to melt away

A man cools off using a water pipe at a train station in Allahabad, India.

Trending Today

A Heat Wave Has Killed Over 1,100 People in India

Scorching temperatures are having a disproportionate affect on the poor

Cool Finds

There Will Be an Extra Week of Summer This Year

Cultural summer ensures 106 days of fun in the sun

Lightning crackles across the sky over Canyonlands National Park in Utah.

New Research

Rockets and Microphones Reveal the First Images of Thunder

The acoustic visuals could help us better understand the physical processes that drive lightning strikes

New Research

The Sun Has Seasons

And you thought it was just “hot”

Trending Today

3D Printing Could Help Developing Countries Predict Natural Disasters

The development of more affordable, 3D printed equipment could save lives

A close-range view of a landspout tornado in western Kansas, 2008.

Cool Finds

Why Forecasters Were Once Banned From Using the Word “Tornado”

Before meteorologists developed reliable prediction techniques, the t-word was off the table

"The show was another spectacular one! Reds and greens and yellows! The sky has just been on fire!" the photographer enthuses on Spaceweather.com.

Severe Solar Storm Paints the Sky Green on St. Patrick’s Day

A burst of particles from the sun is hitting our atmosphere and lighting up the night as far south as Illinois

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