Chicago Has Drilled 109 Miles of Mammoth Tunnels Underneath Itself

Related Articles

Record-Breaking Thermal Lake Discovered Over 400 Feet Underground
Researchers discovered the body of water—now the largest known underground thermal lake in the world—while investigating a column of steam rising from limestone.
Earth Science Margherita Bassi Feb 14

Prehistoric Hookups: Landmark Studies Pinpoint When Humans and Neanderthals Interbred
Ancient genomes reveal a narrow time window for Neanderthal and human interbreeding, raising new questions about their shared history.
Human History Isaac Schultz Dec 12

Suspected 35,000-Year-Old Stone Age Ritual Site Found Deep Within Cave
A cave in Galilee hints at prehistoric ritual gatherings in a cave that holds evidence of Neanderthal and human occupation.
Human History Isaac Schultz Dec 10

6,000-Year-Old Submerged Bridge Found in Spanish Cave Redefines Mediterranean History
Accretions in the cave push back the bridge's construction by over 1,000 years, raising questions about migration onto the Spanish islands.
Human History Isaac Schultz Aug 30

Tourist Killed in Iceland Ice Cave Collapse, Miscommunication Triggers Rescue Mix-Up
There's no evidence that the collapse is linked to the recent volcanic eruptions that have rocked parts of Iceland in recent months.
Earth Science Adam Kovac Aug 26

Radar Images Suggest There’s a Tunnel on the Moon
A relatively long cave system on the Moon is a "promising site for a lunar base," according to the team that identified the structure.
Space & Spaceflight Isaac Schultz Jul 15