Could Earth have hosted an advanced civilization before humans? This intriguing question is at the heart of the Silurian ...

Global temperature increases over the past thirty years, visualized. Credit: NOAA/NCEI Earth's average global temperatures have been steadily increasing since the Industrial Revolution. According to ...

Recent archaeological discoveries have unveiled a fascinating world beneath our feet, with mysterious underground chambers ...

James is a published author with multiple pop-history and science books to his name. He specializes in history, space, strange science, and anything out of the ordinary.View full profile James is a ...

The Fermi Paradox, first devised by physicist Enrico Fermi in the 1950s, asks why we haven’t detected alien civilization yet, despite the vast universe teeming with countless potentially habitable ...

Sites and artifacts are revealing clues to the continent’s recent history. An archaeologist explains the findings and threats to this heritage Amber Dance, Knowable Magazine Big gaps exist in the ...

Complex, intelligent life in the galaxy appears vanishingly rare, with the nearest possible civilization perhaps 33,000 light-years distant. Yet despite the odds, scientists insist that continuing the ...