A new study suggests that the long-term antidepressant effects of psychedelics may be driven by persistent changes in how neurons fire rather than by the permanent growth of new brain cell connections ...

For the first time in more than half a century, NASA will soon be sending an intrepid crew of astronauts toward the Moon with the launch of the Artemis II mission.

Personality tests feel authoritative, but most rest on shaky evidence. Used like broken rulers, they can prompt reflection ...