The solar system drifts inside an immense, low-density cavity known as the Local Hot Bubble (LHB). This region, spanning at ...

Deep below the thick ice of Greenland lies a labyrinth of tunnels that were once thought to be the safest place on Earth in case of a war. First created during the Cold War, Project Iceworm saw ...

under a crushing hail of earth. It was about 9 p.m., and the brothers were on a night shift doing maintenance on the tunnel, which, like many of its kind—and there are hundreds stretching ...

The Williamson Tunnels are very real ... The Doctor Who guide to Earth history Just don't mention the Time Lord's involvement in your homework. It's not just The Doctor: Regeneration in real ...

squeezing the earth in at the shield's face. Tunnel workers gather the muck and dirt as it pours in. They toss the dirt on conveyor belts, which carry the excess soil out of the tunnel.