The most detailed look yet at the monarch butterfly’s built-in clock suggests it’s an ancient model. The molecular mechanism that keeps the day-night rhythm in the butterfly’s brain shares features ...

The spectacular migration of the monarch butterfly, which covers a 2,000-mile round trip in a year, uses an inbuilt precision clock that enables the insect to use the sun as a compass, a study has ...

WORCESTER, Mass. — Since its discovery, the annual migration of eastern North American monarch butterfly has captivated the human imagination and spirit. That millions of butterflies annually fly up ...

(In the mouse, light enters the clock through the animal's eyes.) Given the function of CRY in flies and the role of light in migration, scientists presumed that the monarch's clock would resemble ...

The molecules that control this amazing migration are remarkably similar to our own, says Roger Highfield Butterflies tell the time of day using a clock that contains components similar to our own ...

During their winter migration to Mexico, monarch butterflies depend on an internal clock to help them navigate in relation to the sun, scientists have found. During their winter migration to Mexico, ...

The monarch butterfly is beginning to reveal the genetic secrets of its remarkable migration. Every year, in autumn, monarchs migrate thousands of miles from their summer home in the eastern US to ...

Since its discovery, the annual migration of eastern North American monarch butterflies has captivated the human imagination and spirit. That millions of butterflies annually fly a few thousand miles ...