Summer nights offer lots of interesting sights this month. Mercury and Mars are on show in the evening twilight. Both Uranus ...

According to Batygin and Adams, Jupiter’s radius at that time was between 2.0 and 2.5 times its current size. That would have made it large enough to contain over 2,000 Earths by volume.

Jupiter is our solar system's biggest planet by far. It used to be twice as large: Study A recent study found that Jupiter was once twice the size that it is now, making it big enough to swallow ...

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 ...

Jupiter is already the biggest planet in our solar system. It used to be known as the planet with the second-most moons with 80, trailing only Saturn with 83.

But these are not the planet's only celestial tag-alongs. Jupiter has dozens more—and there may still be more to find. In 2003 alone, astronomers identified 23 new moons.

One of Jupiter’s most recognizable attributes is its sheer size.With a diameter over 88,800 miles, our solar system’s largest planet is 11 times as wide as Earth and twice as massive as all ...

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 ...

People around the world will have a chance this weekend to catch what could be the year’s most stunning view of the largest planet in our solar system. Jupiter on Saturday will shine at its ...