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

Scientists believe giant impacts – like the one depicted in this artist’s concept – occurred on Mars 4.5 billion years ago, injecting debris from the impact deep into the planet’s mantle. NASA’s ...

A Harvard apace boffin has defied the consensus of his peers to insist a giant unidentified mass hurtling through space ...

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

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

While Mars today only has a wispy remnant of an atmosphere, it may once have had one hundreds of times thicker with a ...

NASA scientists found old collision pieces on Mars. These pieces are deep inside Mars. They show big crashes from long ago. Mars is like a time capsul ...

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