The Mechanics of Earth's Spin Earth rotates once in about 24 hours with respect to the Sun, but once every 23 hours, 56 ...

For the hot end, an aluminium mount was pressed into soil, transferring the Earth’s ambient heat to the engine’s bottom plate ...

Artificial light at night is quietly shifting the planet’s carbon balance by increasing carbon release without boosting absorption.

In a captivating display of our planet's nighttime beauty, NASA's International Space Station (ISS) has captured stunning timelapse sequences showcasing the Earth's illuminated splendor. The recorded ...

Wherever we go, our lights go with us. If we were more thoughtful about choosing the right type of lighting fixtures, it wouldn't be such a problem, but we're generally not. Photos taken late last ...