Close stellar encounters could change the structure of our planetary system, potentially dooming Earth or other worlds to ...

Following India's maiden Mars probe launch earlier in the month, last week saw the successful launch of the Martian Atmospheres and Volatiles Evolution mission, or MAVEN for short.

Just before dawn on May 2, a camera 240 million kilometers from Earth caught a moment that seemed almost Earth-like: clouds ...

Given just how big space is, the solar system seems like it shouldn't be too mysterious. But there are actually plenty of questions that took years to solve.

Mars's moon Phobos is so strange that no one knows how it formed. But a forthcoming mission could solve this mystery - and a host of other puzzles connected to the solar system's deep past ...

Mars also has the largest volcanoes in the solar system, Olympus Mons being one of them. The massive volcano, which is about 370 miles (600 km) in diameter, is wide enough to cover the state of ...

The next solar eclipse to cross North America is fast approaching, but over on Mars, the Red Planet already experienced one of its own celestial shadow events this year.. On February 8, the ...

We can’t even send people to Mars, the next nearest planet, ... We can send capable, advanced, large spacecraft pretty much anywhere in the Solar System.

Discover the dramatic forces creating spectacular weather on neighboring planets and moons. Out in the solar system, the weather gets wacky – with globe-spanning dust storms, monsoons of liquid ...

Mars has not only the highest highs, but also some of the solar system’s lowest lows. Southeast of Olympus Mons lies Valles Marineris, the red planet’s iconic canyon system.

Mars and ice-covered ocean moons orbiting Jupiter and Saturn are intriguing destinations in the search for life outside of Earth. Multiple robotic missions, both current and planned, will explore ...

DURFEY: Mars is within the ice line of the Solar System, but it still has ice in it and on it. NARRATOR: It's the end of winter, and it's been dark at Mars's south pole for over 150 Martian days ...