What if We Aren’t the First Advanced Civilization on Earth?
If our planet hosted an industrial species before humans, the Silurian hypothesis asks, how would we know? ...read more
If our planet hosted an industrial species before humans, the Silurian hypothesis asks, how would we know? ...read more
High radiation, low gravity and other environmental pressures could spur Martian humans to mutate relatively quicker than on Earth. ...read more
Some parts of the human brain shrink as the weather turns colder and days grow shorter. But don't panic — scientists have a few theories why. ...read more
The Pfizer-BioNTech COVID-19 vaccine is the agency’s fastest approval ever — here’s how it was accomplished without shortchanging safety standards. ...read more