Rocky bodies called protoplanets were thought to have formed slightly earlier in the inner solar system than those beyond the ...

An object dubbed 3I/ATLAS is only the third interloper from outside the Solar System seen in all of human history.

A new investigation into old Kepler data has revealed that a planetary system once thought to house zero planets actually has ...

NASA has discovered the third known interstellar object to pass through our solar system, but the icy snowball object poses ...

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 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 ...

Jupiter, the largest planet in our solar system, has always fascinated astronomers. But new research reveals that its early form was even more astonishing. According to a groundbreaking study ...

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 ...

It's thought there could be 400 volcanoes on lo's surface, making it the most volcanic place in the Solar System.

Thousands of planets have now been catalogued, sporting a huge range of characteristics that show that the Solar System is one of many similar systems — but also that it’s undoubtedly unique.

The eight planets in the solar system in the increasing order of their distance from the Sun are Mercury, Venus, Earth and Mars, Jupiter, Saturn, Uranus and Neptune. Out of these eight planets the ...