The phenomenon is both spectacular and mysterious: How do the insects learn these particular routes and why do they stick to them?

LONDON, May 4, 2012 /PRNewswire/ -- Airline to launch a new base at East Midlands Airport and expand services from Birmingham

LONDON, May 2, 2012 /PRNewswire/ -- Leading scheduled leisure airline, Monarch, will launch new routes to 'The Pearl of the Adriatic', Dubrovnik, in Croatia and Heraklion

A Texas A&M researcher has found evidence that the population of Monarch butterflies continues to shrink.

New research provides scientists with details about the migratory patterns of monarch butterflies and their endangered habitats.