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 ...

The universe contains billions of galaxies — and trillions of planets. If life arose here, could it have formed elsewhere too? This deep dive explores what alien biology might realistically look like.

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.

Biology students at St. Charles Community College are revolutionizing learning through virtual reality, as they diagnose and cure alien species.

The NASA Juno mission has given deeper insights into the possible alien life on Jupiter's moon, Europa, and how it could lie beneath its icy shell.

If we were to ever find alien life, breaking the news to the general public could be much more difficult than one might think.

Harvard astrophysicist Avi Loeb claims humanity missed a historic chance to find alien life on interstellar object 3I/ATLAS, warning it may have been a spacecraft on a seeding mission.