Measuring the Mass of a Mars-size ExoplanetDetermining the size of an Earth-size exoplanet by the amount of starlight it blocks hundreds of light-years away once was the realm of science fiction ...

By Ashley Strickland, CNN (CNN) — Hundreds of basketball-size space rocks slam into Mars each year, leaving behind impact craters and causing rumblings across the red planet, according to new ...

Scientists may have pinpointed a massive, oddly shaped volcano taller than Mount Everest on the surface of Mars — and it has been hiding in plain sight for decades, according to new research ...

SpaceX's Starship is regarded as the world's largest rocket. How does it compare in height to other launch vehicles from ...

The size of a small SUV, Curiosity will drive around Mars and study whether the planet ever had the right environment to support primitive life.

Scientists may have pinpointed a massive, oddly shaped volcano taller than Mount Everest on the surface of Mars — and it has been hiding in plain sight for decades, according to new research.

Scientists may have pinpointed a massive, oddly shaped volcano taller than Mount Everest on the surface of Mars — and it has been hiding in plain sight for decades, according to new research.