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

Alien: Earth season 2 is officially in development. The sci-fi horror franchise's first TV show was renewed for another ...

Cosmic dust can tell scientists about how ice covered Earth during the last ice age. This dust is leftover debris from ...

For decades, scientists have been baffled by two enormous, enigmatic structures buried deep inside Earth with features so ...

You may have heard a lot of online chatter about Earth's two moons recently, but that doesn't quite get the discovery right. Earth still only has one true natural satellite — our 2,159-mile-wide moon ...