The curious minds at What If reveal a planet scientists found that could host alien life, exploring atmosphere, water, and potential biology.

H.R. Giger's original creature design continues to frighten audiences decades after it debuted in "Alien," but does the ...

Despite the vast differences in human and bee brains, both of us can do mathematics. As we argue in a new paper published in ...

Language and radio signals may not matter to aliens. Instead, they might be using patterns to leave a biological fingerprint.

Fantasy movies transport us to magical worlds but some do it with such stunning visuals that they become unforgettable feasts for the eyes. They create entirely ...

Climate change, deforestation, and habitat loss are promoting increasingly uniform forests, where fast-growing tree species ...

Trees play a central role in life on Earth. They store CO₂, provide habitats for animals, fungi, and insects, stabilize soils ...

Astonishingly, we can identify molecules present in the atmospheres of exoplanets.

Scientists have discovered that perchlorate, a chemical previously thought harmful to Martian life, can actually strengthen bacteria-made "space bricks." Researchers found that under specific ...

Astronomers suspect that a massive metallic cloud swirling in a nearby star system could be hiding a giant planet or dwarf ...

More than 3.5 billion years ago, the Earth was not the hospitable world we know today. The atmosphere lacked oxygen, the seas ...

These spheres from the abyss conceal creatures with startling biology.