July 23, 2019, 1:36 p.m. by Christian Cotroneo
When faced with danger, embryos warn each other from inside their egg.
State scrambles for abandoned Chihuahuas
December 14, 2009, 1:18 p.m.
Video: Animal shelters in California are reporting a glut of abandoned Chihuahuas, leaving officials scrambling to find homes for all the tiny dogs. NBC's George Lewis reports.
Calling in from Copenhagen: MNN blogger Karl Burkart
December 14, 2009, 11:07 a.m.
Video: MNN blogger Karl Burkart chats with Current TV about the politics of blogging at the climate summit.
MNN week in review 12/12/2009
December 12, 2009, 8:06 a.m.
Catch up on the environmental headlines from the week of Dec. 6-12.
Last successful breeding whooping crane shot and killed
December 11, 2009, 9:42 p.m. by Katherine Butler
A reward of $2,500 is offered for information about bird shot in western Indiana.
Polar bear caught eating a cub
December 11, 2009, 12:36 p.m.
Video: Tourists are shocked to see an adult polar bear kill and eat a cub. Experts say bear cannibalism is becoming more common because of changes in the food supply.
Arctic blast sends shivers across nation
December 11, 2009, 9:59 a.m.
Video: Freezing temperatures have gripped much of the nation. The Weather Channel's Paul Goodloe reports
Longleaf pines: New weapon in battle against climate change
December 10, 2009, 1:47 p.m. by Phil Kloer
National Wildlife Federation promotes reforestation in Southeast and calls the tree 'one of the most climate-smart investments we can make.'
8 things you don't know about sand dollars
Canada bans all captive whales and dolphins
Newly discovered shark puts on a light show to lure in its next meal
9 of the world's largest dog breeds
12 animals with the longest gestation period
Birds' beauty and resilience shine through in winning Audubon images