Theories about how animals became multicellular are shifting as researchers find greater complexity in our single-celled ancestors.
After an interstellar asteroid shot past the sun, scientists realized that there’s probably a lot of itinerant rocks out there.
Although Einstein’s theory of space-time seems more complicated than Newtonian physics, it greatly simplified the mathematical description of the universe.
Consciousness is a famously hard problem, so Hod Lipson is starting from the basics: with self-aware robots that can help us understand how we think.
A recent test has confirmed the predictions of quantum trajectory theory.