At the surface of the planet, sea ice across Arctic waters grows and shrinks seasonally, usually reaching its annual maximum in March. In 2026, this peak occurred on March 15, when the measurement reached 14.29 million square kilometers, which is the lowest level observed since satellite monitoring began in 1979. One of the important areas … Read more
The ice giant Uranus is one of the most fascinating objects in the solar system, with its side-by-side rotation, complex ring system and unique family of moons. However, it is also one of the least studied objects in the planetary system, due to its extreme distance from the Sun. While NASA’s Voyager 2 spacecraft remains … Read more
Arctic sea ice has reached its peak this winter, and is at its lowest point in the satellite record going back nearly half a century. Interim data from the US National Snow and Ice Center (NSIDC) show that sea ice extent peaked at 14.29 square kilometers (km2) on March 15. This is slightly less than … Read more