Mars

NASA did find two more scraps of evidence about the kind of life that might exist on Mars. Here's what the new research really shows.

For a permanent Mars base to survive, we might have to turn humans into Martians.

SpaceX CEO Elon Musk has a vision: He wants to get humans to Mars as soon as possible. Is that humanity's best option?

As for what caused the failture, NASA engineers aren't sure yet.

The space travel of science fiction could be closer than you think.

These Marsbees would flap their way around the Red Planet, mapping the terrain and collecting air samples.

In an online publication, this astronomer reports the detection of a very bright object in the night sky that wasn't there before. Turns out, he's thousands of years late for this discovery.

Elon Musk's spacefaring Tesla Roadster is likely carrying the biggest bacteria payload to ever leave Earth.

Is this mountain from Mars, or Hawaii?

To gain a fuller understanding of Falcon Heavy's caliber and the ambitions behind the SpaceX launch, it is worthwhile to look at the numbers.

The newfound sheets are buried by just a few feet of Martian dirt in some places, meaning it might be accessible to future crewed missions.

NASA's Mars rover Curiosity has found intriguing structures on Mars that look like tiny, fossilized worm burrows — but mission team members aren't claiming that the finds are evidence of life.

Life on Mars may have looked a lot like Tonga.

Tonight (Sept. 28), SpaceX and Lockheed Martin will unveil their latest plans for getting people to Mars.