Materials scientists can learn a lot about a sample material by shooting lasers at it. With nonlinear optical microscopy—a ...

X-ray beams aren't used just by doctors to see inside your body and tell whether you have a broken bone. More powerful beams ...

Normal cellular processes in living things — from germinating plants to our own cells — create biophotons, though escaping light isn’t visible to us.

Physicists in Toronto observe quantum “negative time”: a pulse of light appears to leave before entering atoms.

For the first time, physicists have simulated what objects moving near the speed of light would look like — an optical ...

NASA's SPHEREx is exploring the galaxies to answer the question of where we all come from while sending back jaw-dropping ...