Here's how the astronomical phenomenon influences our planet—from the length of our seasons to the way Earth moves through ...

When you buy through links on our articles, Future and its syndication partners may earn a commission. Earth's crust is the planet's outermost layer. It is made of solid rock and sits on top of ...

Earth rotates once in about 24 hours with respect to the Sun, but once every 23 hours, 56 minutes and 4 seconds with respect to other distant stars. Scientists call this difference crucial to ...

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Learn about the Quadrantid meteor shower, its peak time, origin and how to watch one of the first major sky events of the year in early January.

Earth’s rotation is slowing, lengthening days by milliseconds due to the Moon and climate change. A 25-hour day is millions of years away. Learn more.

Earth's crust is the planet's outermost layer. It is made of solid rock and sits on top of another layer, called the mantle.