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

"An epic exploration of possibilities. What If is a Webby Award-winning science web series that takes you on a journey ...

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

Julia Zahran, 39, and her partner John Harvey owned Marshall's Main Street Cafe, which was forced to close after Tropical ...

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

A square-shaped formation on Mars, about 3 kilometers wide, has generated interest and speculation. NASA's Mars Global ...

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

A Mars image shows a strange square formation. Some think it's artificial, but experts suggest natural causes.

NASA has shared a stunning views of drifting clouds on Mars captured by the Curiosity rover. The iridescent clouds look like ...

The video opens with a spaceship, showcasing visually striking skyscrapers and architecturally impressive buildings.

NASA's Perseverance rover has been busy gathering bits of Mars — rock cores the size of chalk sticks, clusters of broken fragments no bigger than pencil erasers, and even grains of dust fine enough to ...

What makes NASA’s InSight different from past Mars missions? Instead of exploring the surface, this lander is studying the planet’s interior, searching for seismic activity (marsquakes) and measuring ...