With a $25 million grant, the Penn team will launch a randomized controlled trial to see if their game reduces the risk of heart events.

(CNN) — Ukrainian security services have stepped up drone and sabotage operations against Russian combat aircraft and submarines this month, in what analysts see as one way to combat incessant Russian ...

Ukrainian security services have stepped up drone and sabotage operations against Russian combat aircraft and submarines this month, in what analysts see as one way to combat incessant Russian missile ...

Ukrainian President Volodymyr Zelensky said Monday the military is on alert for potential attacks, and he called on Ukraine’s intelligence services to “significantly step up their work.” “We ...