It’s a do-or-die moment for the Toronto Blue Jays. If things go right, they’ll get another do-or-die moment on Monday night.

If you think of a single atom as a grain of sand, then a wavelength of visible light—which is a thousand times larger than ...

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 ...