A consensus is emerging that the dots, sometimes called rubies, are an entirely new type of object in the Universe.

Johns Hopkins researchers may have identified a compelling clue in the ongoing hunt to prove the existence of dark matter. 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.

Scientists have created a light as thin as paper that emits a gentle, natural glow similar to sunlight. By using a precise ...