![](http://static.ddmcdn.com/gif/antarctic-iceberg-pine_island-250.jpg)
After lingering in its birthing bay for nearly six months, an
Antarctic iceberg the size of Singapore is finally heading out to sea.
![](http://static.ddmcdn.com/gif/early-life-continents-yellowstone-250.jpg)
The story of how life changed the face of the Earth may be
more profound than previously envisioned and could lead to new clues for
detecting life on exoplanets.
![](http://static.ddmcdn.com/gif/blogs/dnews-files-2013-11-godwit-SMALL.jpg)
Individual birds haven't changed their migration schedules in
response to climate change. Instead, the results of a 14-year-long
study of a migratory shore bird species suggested that early-born birds
get more worms and can migrate sooner.
![](http://static.ddmcdn.com/gif/blogs/dnews-files-2013-11-bacterial-mat-SMALL.jpg)
Gloppy mats of microscopic life left the same signature on
coastal and river bank sediments 3.48 billion years ago that they do
today.
![](http://static.ddmcdn.com/gif/big-cat-fossil-panthera-blytheae-mauricio-anton-250.jpg)
The earliest known big cat lived in what is now China between
5.9 million and 4.1 million years ago, newfound fossils of the ancient
prowler suggest.
![](http://static.ddmcdn.com/gif/blogs/dnews-files-2013-11-sea-cucumber-SMALL.jpg)
Occasional explosions of sea-surface life provide a feast for
creatures on the ocean floor that are worth years of their otherwise
normal food supply.
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