Before we get to Mars, we're going to have to practice. And develop radical leaps in technology, but also practice. A Mars ...

Early Earth may not have had the right ingredients for life — until a nearby Mars-size planet crashed into it, two new ...

Scientists can now predict Mars' green auroras - glowing signs of solar storms - which could protect future astronauts on the ...

The interstellar visitor will pass just 30 million kilometers from Mars on Oct. 3 — far closer than it comes to Earth.