If you live in a certain part of the United States, tornadoes are an annual threat ... astronomers used the sensitive, high-resolution instruments at the Atacama Large Millimeter/submillimeter ...

A tornado watch is in effect until Wednesday ... forecast to push toward Huntsville and Conroe between 9 and 11 p.m. High-resolution forecast models, often used to determine thunderstorm ...

Violent tornadoes that ... another fire grew to about 3.9 square miles (10 square kilometers) before its advance was halted in the afternoon. High winds also knocked out power to more than 260,000 ...