Jupiter is already the biggest planet by far in our solar system, but new research suggests it was somehow once even larger than it is now. Twice as large, in fact. To put that into context, those ...

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 ...

Astronomers have discovered a brand new cold "super Jupiter" exoplanet, marking the closest of its kind ever found to us. The new planet, named Eps Ind Ab, orbits a star called Epsilon Indi A, only ...

WASHINGTON (Reuters) - The planet known as HD 189733b, discovered in 2005, already had a reputation as a rather extreme place, a scorching hot gas giant a bit larger than Jupiter that is a striking ...

People of Earth are in luck they are 64 light-years away from a planet that is scorching hot and smells like rotten eggs, according to researchers. Planet HD 189733b is a gas giant exoplanet ...

Jupiter and Mars are about to get up close and personal to one another. Look up to the sky early Wednesday morning and you'll see what astronomers call a planetary conjunction. This is what is ...

Turn a telescope to the eastern sky in the hours following midnight on Nov. 5 to see two colossal shadows darken the cloud tops of the gas giant Jupiter as the Galilean moons Io and Europa pass ...

If you happen to be out after sunset this weekend, look up for a Halloween treat: Big, bright Jupiter, the largest planet in our solar system, will be visible very near the full Hunter’s Moon. The ...