At the time, the Earth would have been far closer to the moon than it is today, making it perhaps twice as large in the lunar ...

Apr. 9, 2025 — Astronomers have peered back in time to find what looks like a population of 'hidden' galaxies that could hold the key to unlocking some of the universe's secrets. If their ...

Juno’s latest discoveries have pulled back the veil on Jupiter’s harsh atmosphere and the fiery volcanic world of Io. The ...

Juno sheds light on Jupiter’s polar storms and Io’s hidden lava, offering insights at two of the solar system’s most extreme ...

NASA’s Power to Explore Challenge asks students to create a mission to a moon using radioisotope power systems.

NASA scientists have sought to understand planet Jupiter, the gas giant whose mass is more than the rest of the planets in ...

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During recent flybys of the volcanic moon by NASA’s Juno spacecraft ... NASA’s Galileo spacecraft studied Jupiter and several of its moons around the turn of the millennium. One of its instruments was ...

Jupiter also has a protective magnetic shield, or magnetosphere. When emissions from Jupiter’s volcanic moon, Io, become ionized by extreme ultraviolet radiation from the Sun, the resulting plasma ...

The weather forecast for Jupiter now includes softball-size hailstones, known as "mushballs," that are brewed by violent thunderstorms raging in the planet's turbulent atmosphere, a new study finds.

Head’s up, skywatchers, as April closes out, the night sky will include a crescent moon alignment this week on Friday, April 25. The grouping of planets will include bright Venus, Saturn ...