When we picture the first humans on Mars, we imagine astronauts planting flags and taking their first steps. But the reality might look very different. Long before people ever arrive, intelligent ...

Add Yahoo as a preferred source to see more of our stories on Google. Four astronauts are on the verge of becoming the first humans to venture near the moon in more than half a century since NASA's ...

Long before genetic testing and genome browsers, a small child was laid to rest in a shallow grave on the slopes of Mount Carmel, in what is now Israel. Today that youngster, known as Skhūl, is at the ...

H5N1 bird flu has infected growing numbers of people worldwide in recent years, but this week saw something new: the first recorded human case of an H5N5 avian influenza virus. What is this virus and ...