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

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

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

From its peculiar reddish colour, to whether life ever existed on Mars, NASA has unlocked several secrets of the red planet over the decades. Check out these 7 stunning NASA images of Mars that reveal ...

Proponents of going to Mars see peril and opportunity in Elon Musk's close relationship with Trump. Experts say just getting ...

Elon Musk's vision for a Mars colony has sparked debate after a futuristic video showcasing a Martian cityscape went viral, ...

The rover's 26th sample, known as "Silver Mountain," has textures "unlike anything we've seen before," NASA says.

A massive meteor strike on Mars sent shockwaves across the planet, revealing that some of its tremors weren’t tectonic but ...

Why it's so special: These odd, fan-like features on the surface of Mars are geysers of gas and dust near the planet's south ...

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

Six planets are part of the alignment, which will last until Feb. 18. Mercury will join the alignment later in the month.

We'll see six planets in the first part of February – Mars, Jupiter, Uranus, Neptune, Venus and Saturn – and on Feb. 28, they ...