The sacrifice of at least 42 children in Tenochtitlán, now Mexico City, was an effort to calm the anger of the Aztec rain god ...

The Arecibo Message as it appears when its 1,679 bits are properly aligned on a grid (left), an annotated illustration ...

Seven years later -- after securing a record-setting $115 million grant to pursue the project, navigating delays through ...

The planet Uranus and its five biggest moons may not be devoid of life as scientists initially thought. Instead, it is now ...

A Chinese mission to test resource technologies at the moon's south pole is taking shape — and may even include a humanoid ...

Researchers have developed soft, flexible sensors based on ceramics that can be used in the development of robotics and ...