Fill your herb garden with black swallowtail butterflies. Learn what the caterpillar, eggs and adult butterflies look like.

The British swallowtail butterfly (Papilio machaon britannicus) is the U.K.'s only native swallowtail and its largest native ...

One Japanese grade-school student wanted to know if his hand-raised butterflies remembered him. The results were astounding.

A new study confirms the British swallowtail butterfly is genetically unique. This native species possesses significantly ...

Finding that Norfolk butterfly has been distinct subspecies for 200,000 years could transform conservation approach ...

(PhysOrg.com) -- Flitting among the cool slopes of the Appalachian Mountains is a tiger swallowtail butterfly species that evolved when two other species of swallowtails hybridized long ago, a rarity ...

Scientists investigating how one of the greatest shape shifters in the natural world is able to trick predators to avoid being eaten have identified the gene behind the fascinating feat. The African ...

While perusing the Pacific Island of Vanua Levu in Fiji last year, researchers happened upon a precellular butterfly that captivated their attention. Given the mysteriousness surrounding its identity, ...

Now only found on the Norfolk Broads, Papilio machaon britannicus is in trouble as its breeding habitat is lost The swallowtail is Britain’s largest and most spectacular butterfly. Most British ...

A spectacular new butterfly species has been discovered on the Pacific Island of Vanua Levu in Fiji. The species, named last week as Papilio natewa after the Natewa Peninsula where it was found, is a ...

A species of swallowtail butterfly found in Australasia holds the record for having the largest number of different vision cells in its eyes for any insect, scientists say. Different classes of ...

It’s easy to stop in your tracks when you spot a butterfly flying by. But what does it mean if you see a butterfly? If you've ...