Cells at the bottom of a liquid medium begin levitating, then hovering at a particular height. With no physical contact, an ...

This is the last of three blog posts associated with this week’s episode of Cosmos: A Spacetime Odyssey, which addresses life in the universe. Read the first and second here. Someday, in the not too ...

Scientists have found the first compelling evidence that cognitive training can boost levels of a brain chemical that ...

Most explanations rely on "dark energy" to explain the Universe's accelerating expansion rate, but a new study takes a different path.