From the mysterious Planet Nine to the prospect of a "human-caused meteor shower," space and physics editor Brandon Specktor ...

"In 1969, we landed humans on the moon; on Christmas Eve in 2024, we are going to embrace a star," Nour Raouafi, project ...

NASA’s Parker Solar Probe made its closest approach to the sun early Tuesday, getting within just 4% of the Earth-sun ...

If you want to get a quick snapshot of someone else's personality, then our handy guide to interpreting their Big 3 can help.

A long, long time ago, the Sun and the Moon walked the earth, living among humans as equals. Without their light, the Earth turned peacefully beneath the light of the stars. For generations ...

As space travel gains more and more momentum, and travel to Mars seems like a real possibility, you might find yourself ...

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The Moon does not make its own light like a star. The Moon appears bright because it reflects light from the Sun. Like the Earth, half of the Moon faces towards the Sun, and half faces away from it.