This week, solve the mystery of an ancient human ancestor’s fossil, meet a new generation of dire wolves, spy April’s full ...

Until now, it’s been very hard for scientists to establish a detailed timeline of the early evolution of bacteria.

Bacteria consist of a single cell. They do not have bones and are not like big animals that leave clear signs in the geological record, which thankful palaeontologists can study many millions of years ...

Our new research, published today in Science ... A monumental event in Earth’s history About 4.5 billion years ago, the Moon formed. Violently. A Mars-size object collided with Earth, turning its ...

C ity-building games offer players the chance to create, manage, and shape entire civilizations. Steam has become a hub for some of the best city-builder games in the industry, of ...

We were a blinding white Christmas tree ornament in the blackness of space ... Could it happen again, and how could any life survive such an event at all? To discuss these questions, I talked ...

Whether anything ever lived on Mars is unknown. And the present environment, with harsh temperatures, intense radiation, and ...

In an experiment simulating harsh Martian conditions, including X-ray radiation, scientists discovered that certain lichens ...