DHS S&T puts special focus on airport security checkpoints. (AZ-BLT/EnvatoElements photo) The Science and Technology Directorate (S&T) has always placed a special focus on aviation security. That’s ...

Ana Racoveanu is a scientist synthesizing energetic compounds with isotopic labels, a rare feat in the nuclear security enterprise. Isotopic labeling uses various stable isotopes of given elements in ...

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Scientists have developed a way to detect tiny amounts of hard-to-detect explosives more than eight feet away, reducing the need to swipe clothing, luggage or other materials. The team can identify ...

In Christmas Day 2009, a 23-year-old Nigerian student named Umar Farouk Abdulmutallab boarded Detroit-bound Northwest Airlines flight 253 in Nigeria with more than 80 grams of the plastic explosive ...

Aging, unexploded ordnance from the Second World War are becoming more sensitive to impact as the years pass. That’s because one of the explosives inside them is becoming more sensitive with age than ...