The man who killed four people in New York City had a history of mental health issues, including two commitments to treatment initiated by Las Vegas police. But legally, he was still allowed to buy ...

According to a recent directive from acting NASA administrator Sean Duffy, the space agency will launch a nuclear reactor to the moon by 2030.

Stephen Thompson breaks down the few songs of the summer contenders in a year of musical stagnancy.

Experts are sounding the alarm over the long-term effects of drone debris in Ukraine, saying it could pose serious harms to wildlife and people.

In the U.S. and other countries, there's growing awareness of predatory online networks that groom children into self-harm, and even terrorism plots. Experts say a public health approach is needed.