Daily news and science updates for October 3, 2026

The NASA Curiosity rover has achieved a significant milestone in its ongoing exploration of Mars, reaching a total elevation gain of one kilometer since it began its journey from the floor of Gale Crater. This ascent has taken the rover up the slopes of Mount Sharp, a central peak within the crater that stands approximately five kilometers high. The milestone was officially marked on August 26, 2026.

In conjunction with this achievement, recent documentation has highlighted the rover’s long-term operational history, including its activities at Vera Rubin Ridge. On sol 1943—a Martian solar day approximately 40 minutes longer than an Earth day—the rover captured a detailed self-portrait. This image, which corresponds to the Earth date of January 23, 2018, was constructed as a mosaicked panorama.

The creation of the selfie involved combining 61 individual exposures taken by the rover's Mars Hand Lens Imager. To produce the final image, frames that captured the rover’s robotic arm were digitally removed, while the background was integrated from separate imagery captured by the rover’s Mastcam on sol 1903. The resulting composite provides a view of the rover’s position at the south rim of the ridge.

The rover’s structural design is visible in these images, with the laser-firing ChemCam housing located at the top of the mast. This component is positioned above the Mastcam and, in the captured frames, obscures the view of the distant peak of Mount Sharp. These records serve as part of the ongoing documentation of the rover's mission, which has continued to provide data and imagery from the Martian surface for several years.