Alien Spaceship 'May Have Crash-landed on Mars’: Scientists

Alien spaceship crash on Mars? Strange spikes spotted on surface.

Curiosity Rover finds bizarre rock formations on Gale Crater floor.

Astrobiologist amazed by peculiar rock after 20 years of study.

New paper suggests formations might be "sand spikes."

Similar rock formations found in Germany's Alpine basin.

Possible wheels, axle, and debris field photographed in Gale Crater.

Erosion might have connected debris field to the spikes over time.

Scientist leans towards seismic activity creating "sand spikes" on Mars.

Mars images often reveal mysterious formations and features.

Image courtesy of NASA

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