A study says that the world is seeing more rain overall, but it's also getting drier. The confounding findings reveal a big ...

While scouring a 50-million-year-old crater on Mars, the Curiosity rover stumbled upon a polygon-shaped pattern that sort of looks like a giant reptile had shed its skin across the planet’s surface.

Imagine watching a massive star that's been burning steadily for millions of years suddenly dim, fluctuate, and then vanish completely from the night sky. This isn't science fiction. It's happening ...

Across cities and suburbs, a curious pattern keeps turning up in aerial photos and field surveys alike: trees that stand closest to cell towers are often the ones that look the sickest. Their crowns ...

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