"We're not saying, and we can't say, that there's no life in Europa. What we're saying is that it's a harder proposition, ...

Life on Earth began in a world of volcanic eruptions, violent storms, and a toxic atmosphere. Yet somehow, from this chaos, ...

A Congressional bill restores funding for most NASA space science missions, but there is no money for returning samples ...

The James Webb Space Telescope (JWST) is a large space telescope which collects light at infrared wavelengths. It has been ...

While late M-stars are the easiest places to find Earth-sized planets, a new study suggests they are biological dead ends where animal life may never find enough fuel to evolve.

During these waves of mass extinction, most vertebrate survivors were confined to refugia, or isolated biodiversity hotspots ...

About 445 million years ago, Earth nearly wiped out life in the oceans. Glaciers spread across the supercontinent Gondwana, ...

Ever wondered how cold our planet can really get? Discover where the coldest temperature on Earth was recorded, how scientists measured it, and why the record still stands.

Europa has long been the darling of the search for life beyond Earth. The reason is simple: beneath its cracked, icy shell ...

Mars looks familiar in telescope images, but its thin air, deep cold and radiation soaked surface would kill an unprotected ...

Red blood is the exception, not the rule. Evolution has painted it green, purple and white in animals that push physiology ...

The reality of what lies within our oceans has fascinated people since time immemorial, so it’s no wonder we’ve created ...