Time's Kid of the Year protects seniors from cybercrime.

Livestream Earth from the International Space Station.

How NASA maintains contact with spacecraft billions of miles away.

Researchers say "kissing bug" has become endemic in the US.

Watch an underwater proposal in the Black Sea.

Playing surface may contribute to athletes' muscle cramps.

Is it wrong to be good friends with a bad person?

New rocky road ice cream-inspired Girl Scout cookie.

Clickbait: Clue to a $1M gold prize hidden in this 13-stanza poem.

Historybook: Golf legend Arnold Palmer born (1929); Jack Ma, Chinese billionaire and cofounder of Alibaba, born (1964); Jane Wyman, actress and first wife of former President Ronald Reagan, dies (2007); Large Hadron Collider is tested for first time (2008); Hurricane Irma makes landfall in Florida (2017).