U.S. cities have the worst air quality in the world right now—here’s how to stay safe
Wildfire smoke may be as much as 10 times more dangerous than other forms of air pollution, research suggests
Ciencia destacada
Briefing Chat: Sweet! Elusive sugar molecules found in space
Nature, Published online: 17 July 2026; doi:10.1038/d41586-026-02263-4Nature staff discuss the discovery of a four carbon ‘true sugar’ in interstellar space — plus, a formula inscribed on a wall reveals a Maya mathematician’s name.
See unprecedented images of Sunda clouded leopards, the ‘ghosts of the forest’
New, never-before-seen images provide a glimpse into the secretive lives of a clouded leopard species found in the dense rainforests of Borneo and Sumatra
What’s the longest total solar eclipse?
Duration, location, aviation: What makes the best possible view of a total solar eclipse?
Permanent daylight savings is bad for Americans’ health—here’s what science says could be better
More sunlight in the evenings doesn’t always equate to better health
La actualidad cientifica solo vale cuando sigue siendo legible, contextualizada y conectada con las grandes trayectorias de la investigacion.
Mesa editorial ES/IODE
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Noticias cientificas internacionales
Cyclospora outbreak linked to iceberg lettuce supplied to Taco Bell
U.S. officials have traced an explosive-diarrhea-causing parasite outbreak in five states to shredded lettuce served at this popular fast-food chain
Wearable sensors on the face are invisible to the eye
Electrodes that measure brain waves and more cannot be seen or felt.
Why pain hurts more when we’re lonely, and the myth of original sin: Books in brief
Andrew Robinson reviews five of the best science picks.
Can giant space mirrors boost green energy on Earth? A start-up aims to find out
Astronomers are deeply worried that a planned array of 50,000 mirror-bearing satellites in orbit will severely compromise telescopes.
Found: a rocky exoplanet with an atmosphere — could it host life?
Astronomers have spotted helium escaping from LHS 1140b, an exoplanet orbiting in its star’s ‘habitable zone’.
