The annual migration of monarch butterflies is one of science's great mysteries: millions of monarchs know the correct path ...

For thousands of years, millions of monarch butterflies have migrated from the northern U.S. and Canada to Mexico for the winter. But exactly how they know where to go is still a mystery.

Monarchs traveled to a remote part of Mexico, a journey they've made for thousands of years, and wintered there. Now tens of millions of the butterflies are on an epic aerial journey back north.

Monarch butterflies are migrating through San Antonio, laying eggs on milkweed, while other species like the Gulf fritillary ...

This proposal is a big deal — monarchs are among the most recognizable and beloved animals in the US — and a long time coming ...

Monarch Watch and local conservationists are scheduled to appear on 60 Minutes on Sunday evening, giving a national audience ...

One Thousand Trees continues its All Creatures Great and Small series of events focussing on animals, with a timely screening ...

Commissioner Sid Miller, Department of Agriculture report double increase in Mexico monarch butterfly population after 2024 ...

WWF works to sustain the natural world for the benefit of people and wildlife, collaborating with partners from local to global levels in nearly 100 countries.

Brooklyn: Your headlines about Miriam Yarimi, who rammed into and killed Natasha Saada and her two children (“Going twice limit as car hit mom, 2 kids,” April 1), are beyond heartbreaking as ...