Stories in Science
A miniature camera on the Trisat-S nanosatellite recorded the Sun as a bright ring with a dark centre, an expected sensor effect the mission team uses as a visual reference for spacecraft orientation and orbit determination.
ESA's Galileo team used Norway's annual Jammertest to carry out the first real-world positioning with Galileo's upcoming Signal Authentication Service, while partners tested receivers against jamming and spoofing on the Arctic island of Andøya.
A reflected-light image of a Teghaza 001 slice was used to determine the age of the rock, which NASA describes as one of the most ancient Martian meteorites found on Earth.
NASA Earth Observatory paired Landsat 9 views of Antarctica's Vega Island from March 2025 and October 2026, showing unusually bare ice in spring that a glaciologist links partly to a warm winter.
NASA issued a Request for Information on Oct. 29 about commercial in-space servicing for the Hubble Space Telescope, including a possible orbit boost, capability upgrades or eventual controlled disposal. Responses are due Nov. 30.
NASA's Astronomy Picture of the Day for October 30, 2026 shows dust clouds in the constellation Cepheus, including the Ghost Nebula and the Iris Nebula, about 1,200 light-years away.
A new episode of ESA's animated series follows the Hera spacecraft and its two CubeSats as they arrive at the Didymos and Dimorphos asteroid system after a two-year journey.
NASA says Voyager 1 will cross the one-light-day mark on November 18, 2026, 49 years after launch, at 16.1 billion miles from the Sun. The twin probes remain in contact with Earth through the Deep Space Network.
NASA's Astronomy Picture of the Day for October 31, 2026 shows aurora over Hverir, a geothermally active area in northeastern Iceland, where steam from fumaroles rises against the northern lights.
NASA released a James Webb Space Telescope mid-infrared image of the Cat's Head Nebula on Oct. 29, 2026. The image shows intricate structures within the nebula, a shape likely sculpted by radiation and winds from massive stars.
A Copernicus Sentinel-2 image acquired on 5 April 2026 shows Etosha National Park in northern Namibia, including the Etosha Pan and smaller salt pans, with vegetation appearing red in false colour.
NASA reports that a new roll-out solar array is generating power at the International Space Station, while Expedition 75 crew members rounded out the week with plant, exercise and technology studies.
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