Which way is ‘down’ has a different answer depending on where you are on Earth, in the solar system, in our galaxy and beyond ...

Explore seven factual aspects of Jupiter, including its size, moons, rotation, atmosphere, rings, formation, and magnetic field based on NASA findings.

Spectacular clouds swirl across the surface of Jupiter. These clouds contain water, just like Earth's, but are much denser on ...

We live in a very exciting time: answers to some of the oldest questions humanity has conceived are within our grasp. One of ...

Among the most prevalent stars in our galaxy are red dwarfs, M-dwarf stars that are smaller and cooler than our Sun. The majority of them possess at least one rocky planet of comparable size ...

Scientists have identified an unexpected way to study the hidden space weather of distant stars by observing strange, ...

What was originally thought to be a planet orbiting the Fomalhaut star was probably just the fallout of a wild collision.

Curious Kids is a series for children of all ages. If you have a question you'd like an expert to answer, send it to ...

Discovered by volunteer scientists, this alien planet is out of synch with its siblings ...

A rare triple conjunction of Venus, Mars and Mercury is happening on the opposite side of the solar system to where Earth is, ...

Scientists have measured that Jupiter releases more internal heat than it absorbs from the Sun, based on observations of its structure, rotation, and atmospheric behavior.

Among the first finds from the Vera C. Rubin Observatory, the discovery hints at a population of exceptionally strong ...