Once every synodic month, the Sun, Moon and Earth move into a geometry that puts Earth inside the Moon’s downstream sodium stream. Neutral atoms released from lunar soil have been accelerated away ...
A body in the young star cluster IC 348 weighs only about twice as much as Jupiter. It does not orbit a star, yet it carries a warm disk of gas and dust that may contain the raw material for smaller ...
Enhanced-color view of Deimos acquired by the HiRISE camera on NASA's Mars Reconnaissance Orbiter on February 21, 2009. Credit: NASA/JPL-Caltech/University of Arizona ...
A bicolor damselfish, one of the two species whose escape responses were measured. Photo: Andy Blackledge, CC BY 2.0. Looming is the word for what an approaching object does to an eye. The image of ...
Near the base of the Dallol hydrothermal field in Ethiopia’s Afar region sits a pond barely 60 meters long, its water tinted pale yellow by dissolved iron. Chemists who sampled it found a total ...
A faceted crystal disperses light into a spectrum. Representative image for an article about measuring solar silver through spectral lines; this is not study data or an image of silver on the Sun.
Forty thousand years in cold storage, and the animal still looked annoyed. That was roughly the scene on the bank of the Tirekhtyakh River in north-eastern Siberia in the summer of 2018, when a man ...
Sisters Islands, Singapore. Photo: Stefan Fussan / Wikimedia Commons / CC BY-SA 4.0 Eight structures went down on bare sand in 2018. Four years later, the two that nobody planted anything on were ...
Placing concrete in a block at the mid-section of the dam, an eight-cubic-yard bucket handled by an overhead cableway. Bureau of Reclamation photograph via the US National Archives (NARA 293921), ...
A tube of pond scum on a Cambridge windowsill spent half a year running a computer, and nobody had to feed it. The container held blue-green algae, water and very little else, and it was roughly the ...
Webb opens a Treasure Chest filled with stars — ESA/Webb Picture of the Month (potm2607a), released 6 August 2026. A cometary globule in the Carina Nebula (~7,500 light-years) holding about 70 young ...
Sea-surface temperature anomaly of the global ocean at end of June 2026 (Copernicus Climate Change Service / ECMWF). The world’s oceans are hotter than instruments have ever recorded them, the ...
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