For decades, Pluto was thought to be just another frozen rock spinning around the Sun, far from the action and mystery of the ...

This probe, after a lengthy journey, approached the seventh planet in the Solar System ... sparked numerous debates and ...

Io orbits around Jupiter, the largest planet in our solar system ... rather than a global magma ocean — solving a 45-year ...

The answer is a big scientific mystery scientists are actively investigating ... for life in so-called "water worlds" elsewhere in the solar system, like some of the moons of Jupiter and Saturn.

“There is so much of our ocean that remains a mystery,” said Ian Miller, Ph.D., chief science and innovation officer at the National Geographic Society. “Deep-sea exploration led by ...

By peeling back the layers of mystery shrouding Europa’s ocean, we could learn more about ... not only in our own solar system but possibly innumerable others around far-away stars in other ...

It makes up more than 90% of the ocean’s volume, yet most of what lies beneath remains a mystery. The study also found that more than 65% of visual observations of the sea have come from waters ...