Karst caves provide two vital things for sustaining life – shelter from Mars’ intense radioactive rays, and water. If life on ...

Your Social Security number, driver's license photo and other data will be accessible to Homeland Security under new Iowa ...

When astronomers first cataloged some of the closest orbiting rocky exoplanets, they wrote them off as bare, airless cinders, ...

The U.S. Department of Justice filed a lawsuit this week against Virginia, alleging the state unlawfully grants in-state ...

Last week the Supreme Court gave the country one notable gift in blocking the Trump administration’s efforts to deploy the National Guard to Chicago, part of a campaign of intimidation ...