Upper image: The archaeological site of Curucuitz, in southeastern Peten, Guatemala, where maize is still grown today. Lower image: The A-630 vessel from Ixtutz, depicting four individuals, arranged ...

Earth heated 5 to 10 degrees Celsius. As a result, tree-dominated vegetation collapsed and the highly disturbed landscapes were colonized by ferns that formed savannahs across large swaths of what is ...

CAMBRIDGE, MA -- As sea levels rise due to climate change, encroaching sea water will likely make freshwater environments saltier. In a new study, MIT researchers have shown how that increase in ...

DETROIT — Cancer treatments like radiation and chemotherapy work by doing one main thing: shredding the DNA of cancer cells so they can no longer multiply. However, cancer cells are notoriously ...

Fragment of the Hillsborough meteorite, broken on impact, with fusion crust from passing at high speed through the Earth’s atmosphere. July 15, 2026, Mountain View, CA -- On July 16, 2024 a daytime ...

Honeybees given prebiotics and probiotics may survive better under temperature-related stress, suggesting that such nutritional supplements might enhance colony resilience Article title: Protecting ...

A Southwest Research Institute-led study has connected a specific asteroid collision in the main belt to an inner-solar-system-wide bombardment episode that may have had measurable biological and ...

A graphic illustrating one of the key findings from the new study, the changing costs per kilogram of payload to low Earth orbit. The expense of launching goods into space will plummet over the next ...

Researchers measured levels of plastic in the blood supplying the heart. Levels were highest in heart attack patients, compared to other patients. Smokers and people exposed to polluted air also had ...

Using a conductive, face-paint-like ink, researchers can now paint electrodes to monitor a wearer’s heart, muscle or brain activity in style. UNIVERSITY PARK, Pa. — Engineers at Penn State are ...

The blue lines represent the magnetic field lines, which are bent due to the gravitational contraction of the core. The red and green dots depict the ion and neutral molecular species, respectively, ...