Scientists have discovered that a widely recognized Amazonian antbird is not one, but five distinct species—including two ...

The newly discovered fish fossil fills a key gap in our understanding of the evolution of vertebrate diversity.

On a hot February morning, Galápagos National Park rangers released 50 giant tortoises back to Floreana Island—marking the ...

Are aliens real? The question has animated conspiracy theories for decades and enthralled at least one former president of the United States. In a recent interview, Barack Obama became the first ...

Migratory birds change how high they fly over deserts and seas. Wing shape, feather color, and heat all play a role in helping them survive.

Trump vows to release Pentagon UFO files; Obama discusses alien life: Movies, online forums to conspiracy theories, why are we fascinated with aliens? The psychology explained ...

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Human intelligence wasn’t a cosmic evolutionary fluke, some scientists say. The case against cosmic loneliness is growing.

But the real truth is that alien life on other planets could be even stranger than floating balloons or amorphous organisms floating in layers in water. Here on Earth, we have carbon-based life forms, ...

Colossal Laboratories & Biosciences, which has produced a trio of modern-day dire wolves and the woolly mouse, seeks to bring back extinct species.

Imagine zooming out on a giant family tree that includes every bird you have ever seen. Ostriches sprint across open plains, hummingbirds hover at flowers, penguins slice through cold seas, and eagles ...

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