caves

This Martian Lava Tube Skylight is 50 Meters Across. The Biggest Lava Tube on Earth is Only 15 Meters Across

NASA's Mariner 9 was the first spacecraft to orbit another planet when it reached Mars in late 1971. It got…

4 years ago

Astronauts Explore Caves on Earth, Learning the Skills They’ll Need for the Moon and Mars

We're accustomed to astronauts pulling off their missions without a hitch. They head up to the International Space Station for…

5 years ago

This Cave Video Makes You Feel Like You’re On An Alien Planet

A few weeks ago, a bunch of astronauts went underground in Italy in the name of science and better finessing…

11 years ago

Ice Caves Possible on Mars

[/caption] New results published in the journal Icarus suggest that caves on Mars may provide future astronauts with more than…

15 years ago