NASA Juno spacecraft reaches Jupiter orbit

The Juno spacecraft has reached Jupiter after a journey at 200 times the speed of sound. NASA scientists hit the brakes at just the right time to pull the spacecraft into Jupiter's orbit.

Rewarding stimulation boosts immune system

Experiment in mice may help explain placebos’ power

Feeling good may help the body fight germs, experiments on mice suggest. When activated, nerve cells that ... Read more »

This Ghostly Fish Has Never Been Seen Alive Before. Until Now.

Scientists have uncovered another secret of the deep.

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