Add Yahoo as a preferred source to see more of our stories on Google. Jupiter is already the biggest planet by far in our solar system, but new research suggests it was somehow once even larger than ...

Add Yahoo as a preferred source to see more of our stories on Google. Jupiter, the largest planet in the solar system, was 2 to 2.5 times bigger in its earlier life, according to new research. Jupiter ...

While life on Mars (and Venus) has long been an obsession for those wondering if we're alone, there are other places in our solar system that could support life in some form.

Facts about Jupiter's icy moon Europa, one of the best places to search for life beyond Earth in our Solar System.

Sign up for CNN’s Wonder Theory science newsletter. Explore the universe with news on fascinating discoveries, scientific advancements and more. Flybys of Jupiter ...

Simulations reveal that Jupiter’s rapid growth disrupted the early solar system, creating rings where new planetesimals formed much later than expected. These late-forming bodies match the ages and ...

"Io represented a big mystery because its surface doesn't hold a record of its history the way that the surfaces of less active moons do." When you purchase through links on our site, we may earn an ...

This video explores the key characteristics of each planet within our solar system. Suitable for teaching science at KS1 and ...

A massive asteroid that broke apart around 800 million years ago may have sent a huge number of rocky fragments towards Earth ...

Earth’s strongest hurricanes last days and peak near 200 mph. Jupiter’s giant anticyclone doubles that speed, spans more than ...

Jupiter, the largest planet in the solar system, was 2 to 2.5 times bigger in its earlier life, according to new research. Credit: NASA / JPL-Caltech / SwRI / MSSS / Tanya Oleksuik Jupiter, the ...