Now that the U.S. has fallen back to standard time, it means that it's getting darker outside earlier and for much longer as we head into winter. I know I'm a confident driver at night, but despite ...

NASA’s latest measurements show that Earth is reflecting less sunlight back into space than it used to, a subtle shift with outsized consequences for the climate system. As the planet’s surface and ...

How do you like to sleep – light on or lights out? Sleep habits are interesting. Many people refuse to go to bed at night without a light on. For some a nightlight is sufficient, but others require ...