A supposed square structure spotted on Mars sparked speculation about alien archeological sites on the red planet. It's a fun ...

"I'll always remember the first time I saw those iridescent clouds and was sure at first it was some color artifact." ...

New research reveals many Marsquakes come from meteoroid impacts, not tectonic activity. This discovery reshapes theories ...

Engineers developed an engine prototype which could reach unprecedented speeds, cutting down interplanetary travel time.

Curiosity, a set of NASA 's robotic "eyes" on the Red Planet, recorded 16 minutes of so-called noctilucent clouds flying ...

NASA-backed research finds jump training grows cartilage by 26%, protecting astronauts' knees for Mars missions. Could ...

NASA still views the moon as a stepping stone to Mars, even though Elon Musk has dismissed Earth's nearest neighbor as "a ...

NASA’s Curiosity rover captured stunning images of Martian twilight clouds, revealing iridescent dry ice formations on Mars.

This time around, it's Lady Gaga and Bruno Mars' "Die With a Smile" that tops the tally, debuting at No. 1 on the January ...

The Sun sets differently on Mars. Part of that is due to its distance from the star (an average of 142 million miles versus ...

A recent video created from images captured by Curiosity shows clouds tinted red and green flowing though the sky over Mars.