Getting good sleep is critical. A 2018 study found that people who sleep for five to six hours are 19 percent less productive than people who regularly sleep for seven to eight hours per night. People ...

Low Earth orbit is filling up fast, and the industry’s default response has been to treat satellites as disposable hardware ...

Space around Earth is filling with discarded hardware, shattered fragments and derelict satellites just as governments and ...

What is a hermit crab? There are over 800 species of hermit crabs worldwide, and almost all are ocean dwellers—though people are likely most familiar with the dozen semi-terrestrial species, called ...