A vast underground tunnel known as a lava tube, formed from ancient volcanic activity, has been discovered Venus.

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Add Yahoo as a preferred source to see more of our stories on Google. On Dec. 14, 1962, NASA's Mariner 2 spacecraft flew by Venus. [‘On This Day in Space’ Video Series on Space.com] The Mariner 2 ...

Venus has always been known as Earth’s hostile twin, but new findings suggest it is becoming even more unpredictable for upcoming space missions. The planet already challenges spacecraft with extreme ...

Add Yahoo as a preferred source to see more of our stories on Google. On February 10, 1958, scientists at MIT's Lincoln Laboratory bounced radar waves off of Venus. At the time, Venus was at a point ...

Scientists may have found the first evidence of underground tunnels lurking beneath the surface of Venus, carved by the planet’s ancient volcanic activity. A team of researchers from the University of ...