Around 1.7 billion years ago, eukaryotes—the building blocks of complex life—first appeared on Earth, and now scientists have ...

Created by the solar wind — a stream of charged particles constantly pouring out from the sun — the heliosphere acts as a ...

President Donald Trump criticized Barack Obama for his comments on aliens. Then, he said we should release more files. Joe ...

Scientists might have just found Earth's icy, distant cousin a few hundred million light-years away. HD 137010 b is one of ...

From waterfalls that seem to disappear into nowhere to blood-colored water, these places are shrouded in mystery-even if science can explain most of them.

NASA's Mars Curiosity rover has been exploring a curious geological formation made up of ridges that look like spiderwebs from space.

The historic Chateau at the Oregon Caves is an architectural gem that deserves recognition beyond its role as a place to ...

A baffling triangular formation deep in the Nevada desert is igniting theories that it could be the handiwork of a forgotten ...

Gypsum is a soft, translucent sulfate mineral that allows just enough light to penetrate for photosynthetic organisms to survive inside, while also protecting them from being desiccated or exposed to ...

Cheese curds are mandatory in Minnesota, and these don’t disappoint, offering that perfect combination of crispy exterior and gooey interior. There are also options like onion rings, mozzarella sticks ...

Compared to previous theories, the current research emphasizes the complexity of the biological and chemical processes that brought about life.

Aliens exist – they just haven't visited Earth, a NASA veteran has claimed. Dr Gentry Lee has worked at the US space agency since 1968, when he first got involved with the Viking mission to Mars. He ...