Periods of extreme heat often lead to increased exposure to ground-level ozone, in addition to other negative effects. This ...

The development comes as a deadline set by U.S. President Donald Trump for Russia to reach a peace agreement in Ukraine draws ...

A Florida convicted felon on the run for over two years on an attempted first-degree murder charge was arrested on Saturday ...

Ukrainian drones targeted the Tatsinskaya railway station in Russia's Rostov Oblast overnight on Aug. 4, local media reported ...