Jun 14, 2019
Dispersed across the Sahara Desert in northern Niger, the Aïr Mountains rise sharply from the low-lying sea of sand to provide unique scenery, aesthetically and geologically.
Jun 14, 2019
It is increasingly rare to find new large impact craters on Earth, let alone such craters buried beneath ice. This study by MacGregor et al. describes a possible impact crater buried beneath two kilometers of ice in northwest Greenland.
Jun 14, 2019
The Shiveluch volcano is erupting once again. It is one of the largest and most active volcanoes in Kamchatka Krai, a territory in northeast Russia. At least 60 large eruptions have occurred at Shiveluch in the past 10,000 years.
Jun 11, 2019
As your dog drags you around the block for his morning walk, you’re probably not thinking about the wonders of the neighborhood sidewalk. But that concrete is pretty great. Next to water, it’s the most widely used material on Earth. In the future, concrete may be equally useful off the planet --... Read More
Apr 30, 2019
The International Space Station (ISS) is sporting a new ‘light fixture.’ The Global Ecosystem Dynamics Investigation (GEDI) will beam down laser light on Earth from the orbiting laboratory to reveal more about our environment and how it is changing.
Solar System, Mars
Apr 23, 2019
Following National Academy of Sciences recommendations, advice from the NASA Advisory Council, and subsequent unanimous agreement from NASA’s science leadership, the agency has established an independent Planetary Protection Review Board to review established guidelines for planetary protection and... Read More
Apr 19, 2019
Our magnificent planet is always ready for its close-up. On Earth Day, April 22, NASA wants to see your take. NASA invites you to celebrate the planet we call home with our #PictureEarth social media event. Post a close-up photo on social media of your favorite natural features, such as crashing... Read More
Apr 18, 2019
The expression “chip off the old block” has taken on new meaning. Scientists are using cells and tissue from the human body to create living 3D versions of human organs within see-through structures. These innovative ‘tissue chips,’ about the size of a thumb-drive, hold great promise for improving... Read More
Sun, Earth’s Space Environment
Apr 14, 2019
Constantly shielding us from the Sun’s high energy particles is the Earth’s magnetic field. Many imagine this field as a circle, slightly larger than our planet. But, it’s actually shaped like this. And near our north and south poles, there is a cusp – a point where two branches of a curve meet. It... Read More
Apr 10, 2019
A black hole and its shadow have been captured in an image for the first time, a historic feat by an international network of radio telescopes called the Event Horizon Telescope.
Apr 3, 2019
Centuries ago, large, wooden ships explored the seven seas. But often a ship that began its voyage with a crew of hundreds could return with tens. The silent killer? Scurvy, a disease that occurs when there’s a lack of Vitamin C in the diet. On the other extreme, explorers of the North and South... Read More
Sun, Our Sun
Mar 27, 2019
When sea-faring nations began to explore new regions of the world, one of their biggest concerns in making the journey safely was how to cope with weather. They could harness the wind for power. They could rely on the Sun and the stars for navigation. They could build sturdy ships. But if a storm... Read More
Solar System, Sky Watching
Mar 20, 2019
2019 will be an excellent year to look to the sky and enjoy the spectacular view of Earth’s nearest neighbor, the Moon. 50 years ago, we witnessed one of humankind’s most remarkable achievements when we first stepped foot on the dusty surface of the Moon.
Mar 5, 2019
What can you see in the March sky? Jupiter and other planets in the morning, a change of seasons and an open star cluster called the Beehive.
Feb 15, 2019
Scientists who study the solar system tend to ask big questions: How was our solar system formed? Where did the building blocks of life come from? What hazards from above threaten life on our planet? To find answers, they’re looking more and more at small worlds.