SFRs vary in presentation, from mild to fatal, depending on the species of tick, however, early symptoms are non-specific.

RMSF is caused by the bacterium Rickettsia rickettsii (R Rickettsii). It's passed to humans through the bites of infected ticks, including several species of ticks in the United States ...

When an infected tick bites someone, it transmits Rickettsia rickettsii bacteria ... commonly known as the brown dog tick, a species that thrives on the reservation. Entomologist Maureen Brophy, right ...

A team of biomolecular engineers, pathologists, and internal medicine specialists at the University of Texas Medical Branch, ...

Ecologists Reveal Key Genetic Insights for the Conservation of Iconic Cockatoo Species Jan. 13, 2025 — Ecologists have made valuable discoveries that could transform the conservation of two ...

A million years ago, a species known as Homo erectus most likely survived in an arid desert with no trees. By Carl Zimmer Chimpanzees live only in African rainforests and woodlands. Orangutans ...

A larger and more venomous species of one of the world's deadliest spiders has been confirmed by Australian scientists. Nicknamed 'big boy', it can grow up to 9cm (3.54 inches) compared with 5cm ...

SYDNEY, Jan 14 (Reuters) - Australian scientists have discovered a bigger, more venomous species of the Sydney funnel-web spider, one of the world's deadliest. The new funnel-web species has ...

Specimens have large eyes and claws, as well as smooth bodies. The species comes in two color forms: Blue form crayfish are a dark hue with orange joints and tails, while purple form crayfish are ...

Australian scientists have discovered a new species of the deadly funnel-web spider that is bigger and more venomous than its relatives, nicknaming it "Big Boy." In research released Monday ...