A few small rodents like rats and mice whistle like this, but horses are the first known large mammal to have a knack for it. They're also the only animals known to be able to whistle through their ...

Far beneath the ocean’s surface, where sunlight never reaches and temperatures soar near underwater volcanoes, life still ...

Phtanum B may be fictional — but the science behind it isn’t. This speculative expedition imagines a fully developed alien ecosystem shaped by different physics and biology. 🌍 ...

US President Donald Trump said on Thursday he is ordering federal agencies to begin “identifying and releasing” government ...

Among the most persistent claims is that extraterrestrials assisted in the construction of ancient civilizations.