By Brad Brooks and Maria Tsvetkova Sep 3 (Reuters) -In Los Angeles, Francisco "Chavo" Romero and a dozen other immigration activists were out before dawn on a recent summer morning, gathering near an ...

For 40 years, wildlife biologists worldwide have been sounding the alarm on a mass extinction of amphibians. In response, several groups of scientists and volunteers have formed to chronicle exactly ...

Satellite technologies often struggle to differentiate snow from rain near the freezing point in mountainous regions, with impacts on flood predictions, avalanche forecasting, snowpack water storage, ...

The U.S. Supreme Court will consider Sept. 29 whether to take up the First Amendment case of the man who paid someone to spy ...

Police drone pilots explained how the department uses drones at a Citizen Policy Academy session on Wednesday.