It could be atmospheric chemistry. Or pollution from unseen volcanoes. But there's a chance — a not insignificant chance — that scientists have made the first clear discovery of life beyond Earth.

EXCLUSIVE: You only turn 40 once, and Discovery is marking its milestone birthday in a unique way. The network is today launching Discovery Changed My Life, a four-part international series about how ...

NASA’s Mars Rover Discovery Facts: Was there ever life on Mars? NASA’s current discovery about the Sapphire Canyon Martian Rock and the Mars rover has just brought Americans closer to answering this ...

Scientists have uncovered communities of animals such as tube worms and snails living in volcanic caves beneath the seafloor, revealing a previously unknown but thriving ecosystem. Researchers made ...

Posts from this author will be added to your daily email digest and your homepage feed. Deep within the acidic clouds of Venus, astronomers have detected a tantalizing gas never found on the planet ...

When scientists search for species that lived hundreds of millions of years ago they're not always just looking for ancient animals. Life on Earth has changed a lot over time, but sometimes a new ...

Mars Discovery Raises Compelling Questions: Life or Chemistry? Results from NASA’s Perseverance rover reveal organic molecules, unusual minerals, and intriguing rock textures inside Jezero Crater’s ...