Determining the safest Mars caves for future astronauts

When astronauts land on Mars someday, they might have to live in lava caves or lava tubes to survive the harsh radiation that rains down on the Martian surface every second. But which caves could offer them the best chance ...

Moon 'swirls' could be magnetized by unseen magmas

Lunar swirls are light-colored, sinuous features on the moon's surface, bright enough to be visible from a backyard telescope. Some people think they look like the brushstrokes in an abstract painting. But these are not mere ...

Studying the mystery of Uranus's curiously weak radiation belts

When the Voyager 2 spacecraft visited Uranus almost 50 years ago, it discovered a magnetic mystery. Unlike on most planets, the ice giant's magnetic field is tilted roughly 60° away from its spin axis, creating an asymmetric ...

Earth from space: Meteor Crater

Ahead of Asteroid Day (June 30), the Copernicus Sentinel-2 mission takes us over the Meteor Crater, also known as the Barringer Meteorite Crater.

Scientists clarify origins of lunar metallic iron

In a study published in Nature Astronomy, Profs. Shen Laiquan, Bai Haiyang, et al. from Prof. Wang Weihua's group at the Institute of Physics of the Chinese Academy of Sciences have clarified the respective effects of irradiation ...

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