The aerospace giant says it can revive Mars Sample Return with a leaner, lower-cost approach drawing on proven designs.

KUNMING, June 3 (Xinhua) -- For centuries, the question of whether life exists beyond Earth has intrigued humanity, and now a joint discovery by Chinese and German scientists may offer a ...

Our planet has been asteroid-smashed, melted and eroded, enough that most of its original armor has been long buried. Except ...

Earth formed about 4.54 billion years ago, about 10 million years after the solar system was born. After a gigantic cloud of ...

Scientists discover a 'Super-Earth' planet in the habitable zone of a sun-like star. READ MORE: Mysterious cosmic object emitting radio waves and X-rays; By JONATHAN CHADWICK FOR MAILONLINE.

Earth’s inner core is changing shape, scientists have found. The discovery resolves a long-simmering controversy about what’s happening at the heart of the planet — which was long thought to ...

The world's oldest rocks are spread across the globe and paint a picture of Earth's turbulent early history. Here are some of the most notable and important formations scientists have discovered.