The Firefly Sparkle galaxy was only spotted because of gravitational lensing’s effects. Yet galaxies like these brought us a visible cosmos.

In the 18th century, David Hume argued that we are only motivated to do good when our passions direct us to do so. Was he right?

In logic, ‘reductio ad absurdum’ shows how flawed arguments fall apart. Our absurd Universe, however, often defies our intuitive reasoning.

Lucid dreamers may have “privileged access to their inner world,” with “heightened awareness… to the outside world.”

Because the milk was thin and had an unnatural, bluish tint, vendors stirred in additives such as chalk, flour, eggs, and Plaster-of-Paris.