Each fall millions of monarch butterflies from across the eastern United States use a time-compensated sun compass to direct their navigation south, traveling up to 2,000 miles to an overwintering site in a specific grove ...
Biotechnology
Nov 23, 2011
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If you see a monarch butterfly lighting in your backyard this year, take an extra moment to enjoy it.
Ecology
Jul 26, 2011
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If you were to catch Loretta Downs loping through the shoulder-high milkweed along her alley fence come the end of June, you might not realize she was searching for something so sacred it leaves her speechless.
Plants & Animals
May 26, 2011
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Just as monarch butterflies depend on circadian cues to begin their annual migration, so do plants to survive freezing temperatures.
Biotechnology
Apr 12, 2011
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(PhysOrg.com) -- Rising carbon dioxide levels associated with global warming may affect interactions between plants and the insects that eat them, altering the course of plant evolution, research at the University of Michigan ...
Evolution
Feb 16, 2011
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(AP) -- Experts are reporting a partial recovery in the annual winter migration of Monarch butterflies to Mexico following a devastating 75 percent drop last year.
Ecology
Feb 14, 2011
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(AP) -- This small patch of mountain fir forest is a model of sorts for the global effort to save trees and fight climate change. The problem is that saving trees has not saved the forest's most famous visitors: Monarch ...
Environment
Nov 27, 2010
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(PhysOrg.com) -- Monarch butterflies appear to use medicinal plants to treat their offspring for disease, research by biologists at Emory University shows. Their findings were published online Oct. 6 in the journal Ecology ...
Plants & Animals
Oct 11, 2010
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Monarch butterflies -- renowned for their lengthy annual migration to and from Mexico -- complete an even more spectacular journey home than previously thought.
Plants & Animals
Jul 26, 2010
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It has been a hard winter for Monarch butterflies, according to Chip Taylor, director of Monarch Watch at the University of Kansas. Taylor said that low temperatures, storms and habitat destruction have all threatened the ...
Plants & Animals
May 10, 2010
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