Image: Auroras viewed from orbit

Auroras make for great Halloween décor over Earth, though ESA astronaut Thomas Pesquet snapped these green smoky swirls of plasma from the International Space Station in August. Also pictured are the Soyuz MS-18 "Yuri Gagarin" ...

Fine-tuning device performance with swarms of swimming cells

Scientists use acoustic microfluidic devices to separate and sort components in fluids, such as red and white blood cells, platelets and tumor cells in blood, to better understand diseases or to develop new treatments. However, ...

Big dogs face more joint problems if neutered early

Heavier mixed-breed dogs have higher health risks if neutered or spayed early, according to a new study from researchers at the University of California, Davis. The study found mixed-breed dogs weighing more than 44 pounds ...

Study finds food safety practices benefit small farmers

The costs of implementing food safety practices to prevent foodborne illnesses have been viewed as a threat to the financial well-being of small farms, which must pay a higher percentage of their annual sales than larger ...

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