NASA has launched a competition to help develop food sources for astronauts on Mars. The winning idea might even help people ...

Aside from Pandora, the launch also carried dozens of additional satellites, including two NASA-sponsored CubeSats.

I just hit 20,000 steps!" my husband exclaims as he brags when his fitness tracker exceeds the oft-heard benchmark of 10,000 ...

Raymond Culbertson. We all know trees are climate heroes. They pull carbon dioxide out of the air, release the oxygen we ...

A pulse oximeter measures blood oxygen levels at home and in healthcare settings. Abnormally low readings on a pulse oximeter might require medical care, especially if they are below 92%. Skin color ...

As avid puzzlers know full well, the humble jigsaw puzzle is a thing of beauty in multiple ways. Not only are jigsaws an absorbing time sink, but multiple studies have demonstrated they are good for ...