The Silurian Hypothesis asks whether signs of truly ancient past civilizations would even be recognisable today.
Add Yahoo as a preferred source to see more of our stories on Google. The fossilized tail bones of an Ichthyosaurus, around 190 million years old and weighing 800 kilograms. - Markus Scholz/picture ...
Decoding the Unknown on MSN
What if humanity wasn't Earth's first advanced civilization? Here's what scientists would expect to find
Could another advanced civilization have existed on Earth long before the societies recorded in conventional history? The episode explores both the possibility of a forgotten prehistoric human ...
What If on MSN
Humanity reached type VI civilization, and nothing in the universe would be out of reach
For all the technology humanity has developed, our civilization is still remarkably primitive when viewed against the scale ...
One of the most challenging aspects of astrobiology and the Search for Extraterrestrial Intelligence (SETI) is anticipating what life and extraterrestrial civilizations will look like. Invariably, we ...
Long before scientists discovered that other stars in the universe host their own planetary systems, humanity had contemplated the existence of life beyond Earth. As our technology matured and we ...
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 ...
Geek Spin on MSN
Scientists say aliens may be harnessing energy from black holes
Imagine a super-advanced alien civilization that needs insane amounts of energy way beyond our puny solar panels and wind turbines to power their mega-cities, AI overlords, or whatever interstellar ...
In 1950, famed astrophysicist Enrico Fermi posed a profound question during a casual lunch with colleagues: Where is everybody? In other words, if there’s an extremely high probability that advanced ...
One of the most challenging aspects of astrobiology and the Search for Extraterrestrial Intelligence (SETI) is anticipating what life and extraterrestrial civilizations will look like. Invariably, we ...
(CNN) — When astrobiologist Adam Frank walked into the office of NASA scientist Gavin Schmidt, he had what he believed was the weirdest question: do aliens experience climate change? It took just ...
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