New genetic evidence reveals unexpected killers behind one of history’s deadliest military disasters.

Lone star ticks, which originated in the southern United States, are on the move, potentially complicating the diagnosis of tickborne diseases in areas where they now overlap with ticks that cause ...

A study finds that diverse flowers sometimes increase virus spread among bees, challenging assumptions about biodiversity, ...

Chicago and New York City both carry reputations as serious food cities, yet dining in each place feels like stepping into a ...

COVID-19’s danger lay in its invisibility. The SARS-CoV-2 virus is highly contagious and can be passed on by people with light or no symptoms, making it extremely difficult to track and contain. But ...

The COVID-19 pandemic led to many changes. Among them is universal familiarity with a molecular diagnostic technique that was largely unknown outside clinical use. The polymerase chain reaction — or ...

Why these questions for Prelims 2026? Kickstart your UPSC Prelims preparation early. Brush up on your current affairs ...