Climate change may challenge national security, classified report warns. Sea level, water scarcity, refugees might affect military, diplomacy.

A Michigan State University researcher has created an automatic image retrieval system, whereby law enforcement agencies will be able to match scars, marks and tattoos to identify suspects and victims.

Researchers say that while police are using their resources to combat Internet sex offences - which are much easier to secure convictions for - the majority of men alleged to have directly sexually abused a child are still avoiding prosecution.

In today's fast-paced, technologically advanced world, people often take the innovation of new technology for granted without giving much thought to the trial-and-error experimentation that makes technology useful in everyday life.

Acts of piracy and terrorism at sea are on the rise, but there is little evidence to support concerns from some governments and international organizations that pirates and terrorists are beginning to collude with one another, according to a RAND Corporation study issued today.

Scientists may have found a new way to combat the most dangerous form of computer virus.

I comment on an article in the Washington Post that discusses the United States' loss of stature among scientists and explain why I have high hopes that it is only a short-term phenomenon.

U.S. Army service members are increasingly deployed in regions of the world where tuberculosis (TB) is rampant, such as Iraq and Afghanistan, and the military now faces a growing medical problem. But it is not TB itself that is on the rise.

In civil war, rebel groups often target civilians despite the fact that their actual target is the government and that they are often dependent on the support of the civilian groups they attack. This may seem illogical, but there are rational reasons for this type of violence.

An Asteroid Deflection Research Center (ADRC) has been established on the Iowa State campus to bring researchers from around the world to develop asteroid deflection technologies. The center was signed into effect in April by the Office of the Executive Vice President and Provost.