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 ...

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

Just above the moon will be Mars, shining with a steady orange glow. Both the moon and Mars will be in the Gemini ...

Footage of clouds rolling over Mars were released this week by NASA’s Jet Propulsion Laboratory. Is it possible that humans ...

Jumping workouts could help astronauts prevent the type of cartilage damage they are likely to endure during lengthy missions to Mars and the Moon, a new study suggests. The researchers found that ...

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

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

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