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 ...

Long before it became the giant planet we see today, Jupiter was even bigger and had a much stronger magnetic field, according to a new study that looked back in time to reveal what the world was like ...

Astrophysicists found an exoplanet the size of Jupiter has a tail of gas seven times its own length—around 350,000 miles—resulting from its gas atmosphere burning off and being shaped by stellar winds ...

Orbiting a pulsar, astronomers have found a strange, lemon-shaped exoplanet with winds of helium and pure carbon, denser than ...

The Webb Space Telescope spotted a gas giant roughly the same diameter as Jupiter, but with six times the mass, orbiting a neighboring star, Epsilon Indi A. It might take this planet as long as 250 ...

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 ...

"We detected another planet even closer to the star that interacts strongly with its big neighbor, causing their orbits to wobble in ways we've never seen before." When you purchase through links on ...

As Earth catches up to and passes Jupiter bringing it at its closest, biggest, and brightest in the evening sky. The bright star seen in the eastern evening sky in recent weeks isn't a star, it's a ...

It’s like something out of an interplanetary chess game. Astrophysicists at the University of Toronto have found that a close encounter with Jupiter about four billion years ago may have resulted in ...