Mars is not safe either.

This was the company's second attempt to land on the Moon, with both missions having toppled over on the lunar surface.

The spacecraft’s expected area of reentry spans vast regions on both sides of the equator, where it could potentially land in a single piece.

The spacecraft suffered an engine anomaly that left it stuck in Earth's orbit for decades, and now it's slated for an uncontrolled reentry.

Spacesuit parts are being tested in a cryogenic ice chamber to see how well they would fare in the lunar south pole.

The recoverable spacecraft reentered off the coast of Brazil in the Atlantic Ocean instead of the Indian Ocean, and therefore could not be recovered.

"I basically spent three years trying to prove this wrong. And I couldn’t prove it wrong."