Scientists find 2-million-year-old tunnels spanning 2 continents built by unknown life form
2:53
Scientists find 2-million-year-old tunnels spanning 2 continents built by unknown life form
2 months ago
MSNHit Points
This structure on the surface of Mars looks like a cave or hole, located millions of kilometers away from Earth. Scientists explain that these features are usually lava tubes or collapsed underground caverns formed by ancient volcanic activity. When lava flowed under the surface long ago, it created tunnels. Over time, parts of the roof collapsed, leaving cave-like openings. These caves are important because they may provide natural shelter from radiation and extreme temperatures, making them in
0:22
This structure on the surface of Mars looks like a cave or hole, located millions of kilometers away from Earth. Scientists explain that these features are usually lava tubes or collapsed underground caverns formed by ancient volcanic activity. When lava flowed under the surface long ago, it created tunnels. Over time, parts of the roof collapsed, leaving cave-like openings. These caves are important because they may provide natural shelter from radiation and extreme temperatures, making them in
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