Jupiter is the largest planet in the solar system. It's about 11 times wider than Earth with an equatorial diameter of 88,846 ...

The boundless potential of astronomical discovery contrasts sharply with the backwardness and reaction promoted by Trump and ...

Almost 10 years ago, a NASA spacecraft was able to take several photos of Pluto, known for decades as a planet before it was ...

MIT astronomers estimate a planet 140 light-years from Earth may disintegrate fully within the next 1 to 2 million years.

If you thought planets only circled stars in neat, flat disks, think again. Scientists have uncovered compelling evidence for ...

It would take 120 years to travel to planet K2-18b at the speed of light. Here's how we know what could lie there.