The number of black-and-orange butterflies, popularly known as Monarch butterflies, wintering in Mexico have hit its lowest this year since studies began in 1993. The insects' annual migration is on the verge of disappearing, say experts.
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Tax filing season is here, so it's time to ensure you're ready to get the most out of your filing. Read on for new rules for 2014, plus several surprising deductions.
Polar bears are adapting to melting Arctic sea ice by shifting their diet to include more land-based food, new research indicates.
Male tungara frogs' love songs, intended to entice the female of the species, often attract hungry bats instead, say scientists.
A small colony of sterile ants in space will help scientists learn how these creatures adjust to microgravity.
Overfishing threatens to extinguish one in four of the world's cartilaginous fish species, according to new research.
To attract a mate, the male túngara frog croaks from a shallow puddle, sending out ripples that invite not just female frogs, but also hungry bats.
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An assessment of 1,041 species of cartilaginous fish revealed that these animals face a significantly higher risk of extinction than most other animals.