Some robots walk. Others fly. He built one that can do both.

A bipedal robot walks on the surface of a distant planet. Its sensors scan the environment, sending data back to Earth. It comes to a crumbling hillside, flexes its knees and leaps, thrusters whirring, to land safely above ...

Snowflakes are not as unique as you think

The delicate snow flurries that you watch fall from your window, shovel off your sidewalk, and curse when they turn into slush puddles, have quite a long adventure before they make it to the ground. A snowflake begins its ...

A bright side to those dire climate change reports?

A dire new climate report compiled by 13 U.S. federal agencies begins with an unequivocal pronouncement: "Earth's climate is now changing faster than at any point in modern history, primarily as a result of human activities."

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