"This is the most powerful volcanic event ever recorded on the most volcanic world in our solar system — so that's really saying something." ...

The IM-2 mission will test lunar mobility, resource prospecting and the first-ever cellular network on the moon.

When astronomers found a large world farther out than Pluto, it became one of the final nails in the coffin of our ninth ...

Though the planets are always “aligned,” seeing more than four in the sky is more uncommon. February’s lineup is a chance to ...

The number of planets that orbit the sun depends on what you mean by “planet,” and that’s not so easy to define ...

NASA is tracking a truck-sized asteroid which is set to hurtle by Earth today at many times the velocity of a speeding bullet. The space rock—dubbed "2025 BV5"—is estimated by NASA's Jet Propulsion ...

Know how the Chinese Lunar Calendar works, and what it means for your zodiac sign. Learn key insights for career, finances, ...

Loki Patera is 202 kilometres (126 mi) in diameter, covers 20,000 sq km (7,700 sq mi), and was the largest volcanic feature found on Io until these new observations revealed the hot spot in the south ...

Since completing its primary science objectives in orbit of Jupiter, Juno has been conducting flybys of the Jovian moons Io, ...

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

The RPS uses two Stirling engines to convert the heat generated by the decay of Plutonium-238 (Pu-238) into electricity.

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