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 ...

Learn how Mars' mantle differs from Earth's and why it seismic signatures of marsquakes act like a time capsule into its past ...

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

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

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 ...

NASA's Mars rover Perseverance has uncovered rocks in a dry river channel that may hold potential signs of ancient ...

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

The NASA and ESA Mars Sample Return mission will send bits of the Red Planet collected by the Perseverance rover to Earth. See how it could be done in this new animation. Credit: NASA/ESA/JPL-Caltech/ ...