Mysterious brain activity under anesthesia challenges what we know about consciousness

Nearly five decades of satellite observations reveal a troubling transformation in the Arctic, where sea ice is shrinking in both summer and winter, and much of the remaining ice is becoming younger and thinner. In 2026, Arctic sea ice reached its annual minimum extent on September 12 (above), covering approximately 4.6 million square kilometers (1.78 million square miles). According to NASA and the National Snow and Ice Data Center (NSIDC), this tied the minimums recorded in 2008, 2010, and 2025 for the 10th-lowest level since satellite monitoring began.

Popular diabetes and weight loss drugs such as Ozempic and Wegovy have been linked to a slightly increased risk of a rare condition that can cause sudden, potentially permanent vision loss. Although the risk remains very low, Rutgers researchers say the findings warrant attention as millions of people turn to GLP-1 medications.

During El Niño, a cascade of fires across the tropics begins in equatorial Asia and continues in the central and eastern Amazon.

Sgiath is thought to be the UK's first sea squirt-hunting dog and has been trained to sniff out the marine pest.