Conservation groups sued the Fish and Wildlife Service for its failure to formalize a protection proposal made under the Biden administration.

Want to attract butterflies? Try growing these types of flowers that our readers say their butterflies like the most.

Oklahoma Skies Fill with Orange as Monarch Butterflies Begin 3,000-Mile Migration. While monarchs travel across the entire ...

Discover astonishing butterfly facts and delight in learning about the superlatives of butterflies, from the largest to the smallest to the fastest. Whether you're a nature enthusiast, an avid ...

Monarch butterflies are at the beginning of an incredibly long migration south to overwinter. Here's where you could see them.

Every fall, millions of monarch butterflies set off on a journey spanning thousands of miles—and several generations. Where ...

Scientists say buterfles' flapping patterned wings create motion illusion effects that "scramble" predators' aim.

Researchers in the South want people to report Monarch butterfly sightings this winter as more butterflies seem to skip the long migration to breeding grounds in Mexico. Millions of monarch ...

Why are thousands of monarch butterflies heading to AL? The annual fall migration is about to bring them through the state. Here's when and where to see them ...

Researchers identified over 100 species that have dropped by more than 50 percent in the last two decades: "This is a wake-up call." Researchers compiled data on more than five hundred butterfly ...

Where do butterflies come from? A sweeping new study gives us an answer. Here's science reporter Ari Daniel. ARI DANIEL, BYLINE: Akito Kawahara remembers the moment his butterfly collection began. He ...