Whether you grew up with a poster of the solar system on your bedroom wall or not, you've probably got a specific idea of ...

Olympus Mons is a giant volcano on Mars. It is the tallest mountain in space. It is almost three times higher than Mount ...

Do you know which planet has a waterfall four times taller than Angel Falls? Discover the largest waterfall in the Solar System. Learn about its massive size and the ancient floods that shaped it.

A pair of NASA spacecraft know as the Escape and Plasma Acceleration and Dynamics Explorers (ESCAPADE) to be launched to Mars ...

Exploration advocates are pushing back against the planned cancellation of NASA's Mars sample return project, saying it could ...

NASA’s newly launched IMAP mission is set to tell us more about the boundary between our Solar System and interstellar space ...

Prepare to spend a lot more time on Mars.

Mars today is a frozen, dusty desert. But if you look deep inside Valles Marineris, the largest canyon system on Mars and in ...

Research suggests that Mars may strongly influence these cycles. For example, Mars helps drive a 2.4‑million‑year cycle ...

A Mars spacecraft has now been AWOL for more than a month. But NASA hasn't given up hope of restoring contact with the MAVEN ...

Saturn reigns supreme when it comes to the number of moons orbiting any solar system planet. Including the 128 ...

This doesn’t mean Mars causes ice ages on its own. Orbital cycles are only part of the picture. Earth’s oceans, atmosphere, ...