Source: Wikipedia
Some scientific mysteries involve exotic, hard-to-reach subjects: distant stars, deep ocean trenches, particles too small to see. The mystery of the eel is not like that. Eels are ordinary.…
Between 2009 and 2013, a space telescope stared at a single patch of sky and monitored the brightness of more than a hundred thousand stars, looking for the tiny, regular…
Source: Wikimedia Commons
In 1739, a local historian digging in a field in the English countryside turned up an odd piece of ancient metalwork alongside some Roman coins. It was hollow,…
Source: Wikimedia Commons
The burning of the Library of Alexandria is one of history's most powerful images: a single night of fire consuming the accumulated wisdom of the ancient world, irreplaceable…
In the autumn of 2017, astronomers spotted something that had never been seen before: an object passing through our solar system that had come from another star. Everything we had…
Source: Wikipedia
Look at a map of the Mediterranean Sea today, and you see a vast, deep body of water, ringed by the coastlines of Europe, Africa, and the Middle East,…