Prediction markets are grabbing headlines, but the two biggest names in it, Polymarket and Kalshi, aren't publicly traded.

As the US and Israel prepared for war and later launched strikes against Iran, traders on online prediction markets wagered over $1 billion on every aspect of the conflict.

A machine-learning model developed by Weill Cornell Medicine investigators may provide clinicians with an early warning of a complication that can occur late in pregnancy. Preeclampsia is a sudden ...