WASHINGTON - Arizona emergency management officials said they have safeguards in place that should prevent a false alarm like the one that rattled Hawaiian residents, who received an erroneous report of a ballistic missile attack. Read more

The annual lecture series, which kicks off on Jan. 22, will examine the scientific, technological, legal and personal impact of revolutionary social change. Read more

Science teacher for a quarter of a century, Kevin Lewis shares his passion for hands-on science education.  Read more