A fossil belonging to an ancient hominin that lived seven million years ago bears the hallmarks of bipedalism, according to a ...

Four mice went to space as astronauts. One came back and became a mother. And that simple fact might matter more than you'd ...

A breakthrough experiment from China’s space program has revealed unprecedented insights into the possibilities of mammalian ...

As a rocket revolution sets the stage for astronauts to explore Mars, advances in bioengineering could help them survive the ...

"It's really not a question of robotic exploration or human exploration," Ehlmann said. "It is an 'and' — it's robotic and ...

This has been quite the wild year in human evolution stories. Our relatives, living and extinct, got a lot of attention—from ...

Since Viking 1 landed in 1976, humans have studied Mars from afar, relying on rovers and orbiters to analyze the planet. But ...