New mental health diagnoses are more likely after a childhood firearm injury than after a vehicle crash, research finds.

New mental health diagnoses are more likely after a childhood firearm injury than after a vehicle crash, research finds.

"...there has been a striking increase in handgun carrying in the US," says lead author of the new study Ali Rowhani-Rahbar.

A new synthetic protein that quickly detects molecules of a deadly nerve agent could prevent a chemical warfare attack, researchers say.

More than 5 billion people would die of hunger following a nuclear war between the US and Russia, according to a new study.

Since antiquity people have harnessed sound as a weapon, and the practice continues – in new high-tech ways – today.

Build a powerful enough laser, and you can shine it into space. Aim it well, and you can blind satellites.

Analysis of the 10 years in which the US banned sales of assault weapons shows that it correlates with a drop in mass shooting deaths – a trend that reversed as soon as the ban expired.

Scott Sagan digs into Russia’s nuclear threat in the country’s war of aggression in Ukraine and how Vladimir Putin is "the most dangerous man in the world."