Based on the search results from February 4, 2026, here are the three most significant world news stories:

1. Russia’s Largest Drone and Missile Attack of 2026 Amid Peace Negotiations[1]

Russia launched its most extensive drone and missile barrage of the year against Ukraine overnight, deploying 71 missiles and 450 drones. Ukraine’s air force intercepted or destroyed 38 missiles and 412 drones, but strikes still damaged energy infrastructure across multiple cities, leaving hundreds of thousands without heating as temperatures plummeted to minus 20 degrees Celsius in Kyiv and minus 23 degrees in Kharkiv.[1]

The timing is particularly significant: the attack occurred just one day before Ukrainian and Russian negotiators were scheduled to meet for a second round of peace talks in Abu Dhabi. President Volodymyr Zelensky characterized the assault as Russia prioritizing “terror over diplomacy” and noted that the US had proposed protecting energy infrastructure during diplomatic efforts and the winter period.[1] This escalation raises critical questions about the viability of ongoing negotiations and the humanitarian cost of prolonged conflict during extreme weather conditions.

2. US and Iran Signal Tentative Movement Toward Renewed Nuclear Negotiations[1]

The United States and Iran made the clearest diplomatic overtures in months, with both nations indicating willingness to pursue renewed talks. US President Donald Trump confirmed negotiations were underway to de-escalate regional tensions, while Iranian President Masoud Pezeshkian instructed his foreign minister to pursue “fair and equitable negotiations” with Washington, provided suitable conditions exist.[1]

However, military incidents continue to complicate diplomatic efforts. A US Navy fighter jet shot down an Iranian drone approaching the aircraft carrier USS Abraham Lincoln in international waters, and Iranian Revolutionary Guard forces later harassed a US-flagged merchant vessel in the Strait of Hormuz.[1] Despite these incidents, US officials indicated that talks involving Trump’s envoy Steve Witkoff remain planned for later in the week. This development carries significant geopolitical weight, as renewed US-Iran engagement could reshape Middle Eastern stability and regional power dynamics.

3. New START Nuclear Treaty Expires Amid Russian Warnings of Unrestrained Arms Race[1]

Russia declared it is prepared for a global reality without nuclear arms control limits as the New START treaty approaches expiration this week. Deputy Foreign Minister Sergei Ryabkov stated Moscow was ready for a world without constraints on US and Russian strategic nuclear arsenals if no last-minute agreement is reached.[1]

Arms control advocates warn that the treaty’s expiry would undermine verification mechanisms and trust, significantly raising the risk of an uncontrolled nuclear arms race between the world’s two largest nuclear powers. Former US President Barack Obama urged Congress to intervene, while former Russian President Dmitry Medvedev cautioned that the world should be alarmed without a replacement framework.[1] The implications are profound: the absence of verification protocols and strategic limitations could destabilize global security architecture and trigger a new phase of nuclear competition.