A scientist finds beauty in the “visual synonyms” that exist in images seen through microscopes and telescopes.

At the American Psychiatric Association’s annual meeting, a patient described a restraint that haunts him, more than eight years later.

When a child in a small Cambodian town fell sick recently, his rapid decline set off a global disease surveillance system.

Contrary to expectation, a major study found that weed use among minors was lower in states where the drug was legal.

Contrary to expectation, a major study found that weed use among minors was lower in states where the drug was legal.

In Canada, cannabis poisonings rose sharply among people 65 and older after the country legalized the drug, a new study found.