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.
Feb 4, 2019
Remember the old adage: Big things come in small packages? NASA has updated it - in the form of CubeSats. Imagine a real, working satellite that’s so small you can hold it in your hands: Just 4 inches (10 cm) across, these cubes can be expanded incrementally depending on their specific mission... Read More
Dec 21, 2018
This festive NASA Hubble Space Telescope image resembles a holiday wreath made of sparkling lights. The bright southern hemisphere star RS Puppis, at the center of the image, is swaddled in a gossamer cocoon of reflective dust illuminated by the glittering star. The super star is ten times more... Read More
ISS, Sky Watching, Meteor Showers
Dec 13, 2018
On the night of December 13, into the morning of December 14, 2018, tune into the night sky for a dazzling display of fireballs. Thanks to the International Space Station, this sky show – the Geminids meteor shower -- will be viewed from both above and below.
Solar System, Sky Watching
Dec 12, 2018
People around the world have the opportunity to participate in the study of a comet in December of 2018, when a hyperactive comet that orbits between Jupiter and the Sun will be closest to Earth. It will be so close, in fact, that you may be able to see it with the naked eye within a week or two... Read More
Dec 11, 2018
NASA is saddened to note the passing of Riccardo Giacconi, who had a long and illustrious career with the agency.