Photos capture eerie skies and smoke-filled air from Canadian wildfires across Greater Boston. Share yours with us.

COVID-19 is resurfacing across the US as summer ends, with rising cases but less dramatic increases than before. Experts find ...

A new study by Michigan State University found that butterflies have been decreasing rapidly in the Midwest, after ...

Out of the 136 species of butterflies’ populations studied, not a single one increased over the past 3 decades.