Jupiter, the largest planet in the solar system, was 2 to 2.5 times bigger in its earlier life, according to new research. Jupiter, the largest planet orbiting the sun, used to be much bigger and ...

CLEVELAND — With so much focus on the total solar eclipse right now, I thought some stellar solar system facts would shake up your universe. Let me take you back to grade school and the solar system ...

Something incredibly strange is unfolding in our cosmic neighborhood, a powerful and unexplained gravitational force is ...

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

While Jupiter may be our planetary guardian angel, protecting us from harm, gas giants in other solar systems might actually wreak havoc on other exoplanets nearby. In our solar system, Jupiter's huge ...

Planetary scientists have recently drawn a connection between the birth of Jupiter and the formation zone of Earth, ...

When you buy through links on our articles, Future and its syndication partners may earn a commission. Jupiter's radius used to be twice its current size, and the planet had a magnetic field 50 times ...

Want life? Don't get too close to a gas giant planet. When you purchase through links on our site, we may earn an affiliate commission. Here’s how it works. Like huge playground bullies, planets like ...

Twelve new moons orbiting Jupiter have been found — 11 “normal” outer moons, and one that they’re calling an “oddball.” This brings Jupiter’s total number of known moons to a whopping 79 — the most of ...

CAPE CANAVERAL, Fla. — Mars and Jupiter will give sky watchers an optical illusion this week as they reach the minimum amount of separation in their orbits. On Wednesday, the two planets, the fourth ...

CAPE CANAVERAL, Fla. (AP) — Mars and Jupiter are cozying up in the night sky for their closest rendezvous this decade. They’ll be so close Wednesday, at least from our perspective, that just a sliver ...

"Astronomers have been searching for exoplanets that are likely precursors to hot Jupiters for more than two decades, so I was very surprised — and excited — to find one." When you purchase through ...