Scientists have seemingly settled long-standing arguments about whether the components of Earth originated from the inner or ...

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 ...

A newly-discovered planet named Enaiposha, GJ 1214 b, is unlike anything found in our own solar system, similar to a ...

Easy: Venus is the weirdest planet in the solar system. The most distant major planet from the sun and the last stop before ...

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 ...

Humanity has built some incredibly destructive weapons. There are still roughly 12,000 nuclear warheads on Earth today, ...

Scientists may have discovered a dwarf planet far beyond Neptune — an unearthing that may disprove a longstanding theory about the possibility of a giant ninth planet. The dwarf planet's existence ...

When the Sun runs out of hydrogen fuel and expands into a red giant, it will eventually encompass the innermost planets of the solar system, out to about Earth’s orbit. Being closer to our enlarged ...