Asteroid Bennu seems to have come from a long-lost world on the fringes of the solar system, where saltwater pooled and dried ...

Astronomers have discovered an exoplanet that might have favorable conditions for liquid water. This planet, HD 20794 d, ...

"It's been such a puzzle that there was liquid water on Mars, because Mars is further from the sun, and also, the sun was ...

NASA’s Juno mission found Io’s biggest volcanic eruption ever. The explosion was stronger than all Earth’s power plants ...

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On Dec. 27, 2024, NASA's Juno spacecraft swooped by the volcanic world Io. It witnessed a giant eruption.