Add Yahoo as a preferred source to see more of our stories on Google. Dust devils on Mars could be crackling with electric currents, according to a new study — and scientists are a little concerned ...

Dust on Mars has a new voice. What once looked like silent red storms now crackles with tiny sparks, as if the planet were whispering with electricity right under your feet. For the first time, ...

The annual North American monsoon is underway, directing moisture into the western United States. While the rain will benefit ...