In 1988, a group of scientists investigated their lab after several unusual incidents and found a sub-perceptual explanation. A new experiment added evidence that sounds we cannot hear may be to blame ...
Dive into 25 cosmic mysteries science can't explain, from dark matter to dark energy. Explore the universe's most baffling ...
The Polaris Dawn crew Jared Isaacman, Scott "Kidd" Poteet, Sarah Gillis and Anna Menon explain the experiments conducted during the mission. Also, see a time-lapse of Isaacman's spacewalk. Credit: ...