Do you know which planet has a waterfall four times taller than Angel Falls? Discover the largest waterfall in the Solar ...

Auroras are not just on Earth. NASA has detected glowing northern and southern lights on Jupiter, Saturn, Mars and other ...

Solar wind sounds poetic, but it's a very real and powerful phenomenon, connecting the Sun to every part of our solar system. Unlike the wind we feel .

It was long thought, up until recently, that asteroids and comets delivered Earth's oceans during the very early Solar System ...

By Will Dunham WASHINGTON, Feb 4 (Reuters) - Jupiter, without a doubt, is the biggest planet in our solar system. But it ...

The tallest known cliff in the solar system isn’t on Earth — it’s on Uranus’ moon Miranda. Called Verona Rupes, this colossal wall of rock is so high it makes the Grand Canyon look small, and a fall ...

Newfoundland’s terrain tells a story of ancient glaciers and shifting stone. See how time carved this incredible place.

The city is demanding about $20 million in penalties and restitution from Radiant Solar, the largest sum it has ever sought ...

Olympus Mons is a giant volcano on Mars. It is the tallest mountain in space. It is almost three times higher than Mount Everest. It shows us how amazing the rocks and land on Mars can be.

This week’s Current Climate newsletter also looks at Indiana’s plan to get rare earths from coal waste and how batteries keep ...

Astronomers have strengthened long-standing predictions that massive runaway stars could have originated in binary pairs, and ...

Mars, the planet we see today—arid, cold, and covered in red dust—may have once been a "blue planet" with a vast ocean that ...