When people think about habitats on Earth, they likely picture forests, oceans or grasslands. Few think to look up. Yet the lower atmosphere, or troposphere, may be the largest habitat on the planet.

The Environmental Commission, made up of City Council-named board members, is expected Wednesday to vote on adopting ...

In the rugged terrain where Mexico and the United States meet, a border wall is just the latest obstacle fragmenting habitats ...

The temperature the morning I wrote this column was 30 degrees and the three hummingbird feeders I still have out were partially frozen. To most people, it seems strange to expect to see a hummingbird ...

Each fall, millions of monarch butterflies fly across Texas skies on their 3,000-mile journey to the mountains of central Mexico. The state’s position in the center of the migratory route makes it ...

The birds are on the move. In flocks so think they look like a "storm" cluster on your weather radar, the birds, including hummingbirds, are moving for their annual fall migration. Most of the ...

Millions of birds are expected to fly over the U.S. to reach their migratory destinations, and a sizeable fraction of them will pass through Michigan after the sun goes down on Sept. 29. Late on ...