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APOD: 2026 October 8 – The Saturn System Smörgåsbord

APOD Science APOD APOD: 2026 October 8 – The… Today’s APOD Archive Submissions Index Search Calendar RSS Education About Discuss APOD Astronomy Picture of the Day Discover the cosmos! Each day a different image or photograph of our fascinating universe is featured, along with a brief explanation written by a professional astronomer. The Saturn […]

Scientists warn a popular vitamin D supplement may have a hidden downside

Not all vitamin D supplements are created equal, and new research suggests that one popular form may have an unexpected downside. Scientists found that taking vitamin D2 can actually lower the body's levels of vitamin D3, the form naturally produced by sunlight and more effective at boosting overall vitamin D. Previous studies also suggest that vitamin D3 may provide stronger immune protection against viruses and bacteria.

NASA’s PRIMA Spacecraft (Artist’s Concept)

Description This artist’s concept depicts the proposed design for NASA’s PRobe far-Infrared Mission for Astrophysics (PRIMA), which was selected by the agency in September 2026. The PRIMA observatory is the first in a new class of NASA astrophysics missions, called Probe Explorers, within the agency’s longstanding Explorers Program. By observing far-infrared light, PRIMA will enable scientists to study cosmic […]

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NASA Sets Coverage for SpaceX 35th Station Resupply Launch, Arrival

NASA and SpaceX are targeting 6:33 a.m. EDT, Tuesday, Oct. 13, for the next launch to deliver science investigations, supplies, and equipment, including the final set of International Space Station Roll-Out Solar Arrays, to the space station. This is the 35th SpaceX commercial resupply services mission to the orbital complex for NASA. NASA also will […]

NASA’s Curiosity Captures Dawn Breaking on Wind-Carved Cliffs

Description NASA’s Curiosity Mars rover captured this panorama of sunrise illuminating distant, wind-carved features called yardangs on Aug. 11, 2026, the 4,982nd Martian day, or sol, of the mission. Scientists are eager to learn more about how the yardang layer formed. Figure A is a crop zooming in on the distant yardangs. Since 2014, Curiosity […]

NASA’s Curiosity Looks Back After Reaching Elevation Milestone

Description NASA’s Curiosity Mars rover captured this view looking back at the floor of Gale Crater, with the crater’s rim visible in the distance, on Sept. 5, 2026, the 5,006th Martian day, or sol, of the mission. Just nine days prior, on Aug. 26 (Sol 4,996), Curiosity set a mission milestone by reaching 1 kilometer […]