Earth Pulling Apart at the Seams

Earth Pulling Apart at the Seams

Like some fantastic land conjured by a storyteller, Ethiopia's Danakil Depression (or Afar Depression) exhibits some uncommon wonders: lava that burns blue, bright yellow hot springs and lakes of bubbling mud. These otherworldly oddities are all manifestations of a tectonic process called continental rifting.

Saharan Dust Journeys Across the Atlantic

Saharan Dust Journeys Across the Atlantic

A piece of Africa”actually lots of pieces”began to arrive in the Americas in June 2014. On June 23, a lengthy river of dust from western Africa began to push across the Atlantic Ocean on easterly winds. A week later, the influx of dust was affecting air quality as far away as the southeastern Unites States.

New Blue Marble Image Captivates Millions

New Blue Marble Image Captivates Millions

People love images of the full disk of Earth as it would appear from space. During the last week of January 2012, NASA science colleague Norman Kuring took some fresh data from the agency's newest Earth observation satellite, projected them onto a disk and voila”3 million people viewed the image in a week! The wave of interest is still spreading across the Internet and social media, but have you ever wondered how these images are made?

Aerial Image Shows Remains of Joplin High School

Aerial Image Shows Remains of Joplin High School

This one-foot resolution, digital aerial image of Joplin, Mo., was collected May 24, 2011, at approximately 9:30 a.m. The image shows the remains of Joplin High School, located at 21st and Indiana, just two days after a Level 5 tornado touched down on May 22, 2011 and...

Saharan Dust Hangs Off Portugal

Saharan Dust Hangs Off Portugal

A low-pressure system with strong winds drove this thick cloud of dust from North Africa's Saharan Desert all the way to Portugal.

Tassili n'Ajjer National Park

Tassili n'Ajjer National Park

Tassili n’Ajjer National Park covers 72,000 square kilometers (27,800 square miles) in southeastern Algeria. Part of the Sahara Desert, the park has a bone-dry climate with scant rainfall, yet does not blend in with Saharan dunes. Instead, the rocky plateau rises...