Earth Science Picture of the Day

09/13/13 Twilight Rays Over Hawaii's Big Island

08/31/13 Sundown at Alcochete, Portugal

08/27/13 Flat Rainbow Over Paris

08/23/13 Fog Bow, Brocken Spectre, Glory and Shipwreck

08/22/13 Crescent Moon and Mont Canigou

08/21/13 Corkscrew Contrail

08/04/13 Views of Crepuscular Rays

08/03/13 Green Flash Over Tyrrhenian Sea

08/02/13 Sunup Over Lethbridge, Alberta

07/27/13 Water Drops and Dandelions

07/26/13 Circumhorizon Arc Above Post Falls, Idaho

07/23/13 Super Lunar Halo Observed Around Supermoon

07/15/13 Iridescence from Super Moonlight

07/14/13 Iridescence on the Fly

07/10/13 Pillar Over Paiko Mountain

07/01/13 Halo Above Cap-Rouge, Quebec

06/30/13 Hydrophobicity

06/29/13 Colorful Cocoa

06/27/13 Pileus With Iridescence

06/26/13 Inferior Mirage of a Ship

06/23/13 Pink Moon Over Portugal

06/20/13 Crepuscular Rays Over Convento da Tomina, Portugal

06/17/13 Iridescence Over Canyonlands National Park

06/16/13 A Neighborly CHA Above Norfolk, Virginia

06/04/13 Moontrail -- Full Moon Rising Over Skiathos Island, Greece

06/02/13 Curved Contrail, Straight Shadow

05/30/13 Northern Lights Over Washington State

05/20/13 Halo and Rainbow Panorama

05/18/13 * Deep Blue Abyss on Godwin's Glacier

05/15/13 Green and Blue Flashes

05/03/13 Sunset at Dog Rocks

04/29/13 Multiple Light Pillars

04/28/13 Half Illuminated Sun

04/24/13 Eye in the Sky Over Delta, Utah

04/23/13 Upper Tangent Arc from Orsta, Norway

04/15/13 Auroral Display of March 1, 2013

04/08/13 * Deceptive Skies

04/07/13 Iridescence With My Tea

04/02/13 Sonoma Valley Rainbow

03/21/13 Snow Moon and Ice Fishing for Walleye

03/11/13 * Double Pink Rainbow Over Glen Ashley, South Africa

02/27/13 Halo Complex Above Hanover, Germany

02/26/13 Sun Pillar Over Southwestern Illinois

02/24/13 * Polarized Window Frost

02/22/13 Twilight and Star Trails at Adraga Beach, Portugal

02/20/13 * Iridescence and Corona

02/11/13 Omega Moon Over Cape Elizabeth, Maine

02/10/13 Green Flash Viewed from Sunset Cliffs, California

02/04/13 What’s Blue on the Inside and White on the Outside?

01/29/13 Upper Tangent Arc Sequence