UNITED NATIONS (AP) — The United States accused Russia on Monday of a “dangerous and inexplicable escalation” of its nearly four-year war in Ukraine at a time when the Trump administration is trying to advance negotiations toward peace.

The war between Russia and Ukraine is often presented as a clear-cut narrative of imperial aggression versus national defence. In mainstream discourse, Russia is portrayed as the sole aggressor, with Ukraine as a victim bravely defending its sovereignty.

By 2025, Russia’s war against Ukraine had hardened into a grinding conflict of attrition, with neither side achieving a decisive strategic breakthrough. While the front line moved more this year than in 2023 or 2024,

Sean Corbett, Chairman of Janes National Security Advisory Board gives his expert opinion on some of the global threats he anticipates this year.

Putin’s war on Ukraine was once a popular enterprise. But domestic support is softening as the conflict's material, human and reputational costs continue to mount.

In October, China deepened its support for Russia’s war effort through intelligence sharing, expanded drone supplies, and closer military cooperation, while strengthening diplomatic and economic

Drones have turned the front line into a kill zone, and made casualty evacuation extremely difficult and dangerous.

The US has ratcheted tensions with Russia after seizing a 300-metre-long oil tanker, known as Marinera, in the North Atlantic. The ship, previously known as Bella 1, is believed to be part of Russia’s

A Princeton University simulation shows how a single low-yield nuclear weapon could rapidly spiral into a full-scale US–Russia nuclear war, leaving over 90 million people dead or injured within hours and devastating Europe and major global cities.