Latest Laurentia Stories
In devising his theories about evolution, Darwin theorized that species evolved on Earth slowly over millions of years. However, the fossil record doesn’t agree with the slow-and-steady model as a massive explosion of species took place 530 million years ago during the Cambrian era.
A new study tells the story of an invasion and domination that took place around 450 million years ago in North America.
Researchers are discovering strong evidence that parts of what are now Texas and Antarctica were connected.
New seismic technique detects boundary between old and new lithosphere.
A lone granite boulder found against all odds high atop a glacier in Antarctica may provide additional key evidence to support a theory that parts of the southernmost continent once were connected to North America hundreds of millions of years ago.
How the earth might recover from a mass extinction is as important as what might have caused the catastrophe in the first place. Penn State astrobiologists are looking at species immigration as one way for the Earth to recover its biodiversity.
- totally perplexed and mixed up.