According to the EPA, an air purifier with a HEPA (high-efficiency particular air) filter can remove up to 99.97% of dust, pollen, mold and bacteria. Placing an air purifier with a HEPA filter in your ...

Just as I was about to give up on seeing April migrants, or any other birds for that matter, a trio of purple finches flew ...

Ancient volcanic winters, not just carbon dioxide warming, likely triggered the end-Triassic extinction when dinosaurs rose ...

The birds are now looking extra snazzy—bright and glossy, dressed to impress in their breeding plumage. Colorful, shiny ...

The annual migration usually happens at almost the same dates as other years, but with lousy weather two things happen. First of all, poor weather keeps us birders from getting out, and second, the ...