The NASA/ESA Hubble Space Telescope and the NASA Spitzer Space Telescope have joined forces to discover nine of the smallest, faintest, most compact galaxies ever observed in the distant Universe.

Mr. Singal is the author of “The Quick Fix: Why Fad Psychology Can’t Cure Our Social Ills.” Long before Reddit users discovered the firefighter Les McBurney, humans were fascinated by the idea that a ...

Your look at the development of a strange idea from the 1980s, that time may be a quantum illusion, took me back to Karl Popper’s essays on the ancient Greek Pre-Socratic philosophers, in particular ...