The new work suggests that the edge of the dichotomy was eroded back by hundreds of kilometers during the time when an ocean ...

Phobos is spiraling toward Mars and will either break up and form a ring around the Red Planet ... and Phobos formed much like Earth's moon did, coalescing out of debris from a mighty impact ...

From arachnid-like formations and mysterious blobs to an underground ocean and a giant volcano, here are our 10 favorite things scientists discovered on Mars this year.

From this day forward, our country will flourish and be respected again all over the world. We will be the envy of every nation, and we will not allow ourselves to be taken advantage of any longer.

Scientists have long theorized that Charon formed much like Earth’s moon, which was created after a Mars-size object slammed ... our world and cooled to form the moon. But these theories didn ...

In the process, our young Jupiter disrupted the planetary building blocks that would have allowed Mars to form a larger mass ... he asked, or did something just fortuitously go right for the ...

there's also a risk that the melting ice could drain and form water aquifers, which would not sustain much above-ground plant life desirable for humans. Warming Mars could cost approximately $1 ...

which was created after a Mars-size object slammed into our planet. The impact sent molten debris from Earth flying into space, which eventually came together in orbit around our world and cooled to ...