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There’s no sign that ticks are backing down.

A record high of 59,349 cases of tickborne diseases were reported in 2017 in the United States. That’s a 22 percent increase in cases — or roughly 11,000 more — than were reported in 2016, the Centers for Disease Control and Prevention announced on November 14.

Lyme disease accounted for most of the reported diseases, with nearly 43,000...

Bionic microbes outfitted with tiny semiconductor components can generate useful chemicals more efficiently than normal cells.

Microorganisms like fungi are commonly used in biomanufacturing to convert simple carbon-based molecules, such as sugar, into a wide range of chemical ingredients for pharmaceuticals and other products. But much of a microbe’s carbon intake typically gets used to...

There’s something big lurking beneath Greenland’s ice. Using airborne ice-penetrating radar, scientists have discovered a 31-kilometer-wide crater — larger than the city of Paris — buried under as much as 930 meters of ice in northwest Greenland.

The meteorite that slammed into Earth and formed the pit would have been about 1.5 kilometers across, researchers say. That’s large enough to...

Some moths aren’t so easy for bats to detect.

The cabbage tree emperor moth has wings with tiny scales that absorb sound waves sent out by bats searching for food. That absorption reduces the echoes that bounce back to bats, allowing Bunaea alcinoe to avoid being so noticeable to the nocturnal predators, researchers report online November 12 in the Proceedings of the National Academy of...