Like its predecessors, the probe never reached its target and burned up in Earth’s atmosphere minutes after launch. Pioneer 2 was the third attempt by the United States to send a spacecraft to orbit ...

Issue #4 tells the story of the outer solar system, from beyond the asteroid belt to the outer reaches of the Sun's magnetic influence. Gas giants like Jupiter and Saturn are not habitable, but many ...

collect a sample of asteroid Bennu, and bring it home to Earth. Learn about NASA's selection process for choosing the near-Earth asteroid Bennu as the target for the agency's OSIRIS-REx mission.

At Jupiter, which receives 25 times less light than Earth, the Juno spacecraft (pictured at right ... They have been used on NASA’s DART (Double Asteroid Redirection Test) mission, on commercial ...

We look at Earth in macrocosm and microcosm, from the flow of one mountain stream to the flow of jet streams. Most of all, we look at Earth as a system, examining the cycles and processes—the water ...

To better understand Mars, NASA's Goddard Instrument Field Team hiked deep into the backcountry of Katmai National Park.

Though neither Didymos nor Dimorphos poses any threat to Earth, data from the mission will help inform researchers how to potentially divert an asteroid's path away from Earth, if ever necessary. The ...

Click on a solid dot to view a preview image and a link to read the story. Explore your backyard or the other side of the Earth with EO Explorer. For more than 20 years, the Earth Observatory has ...