Latest Chicxulub crater Stories
Scientists have explained how a globe-encircling residue formed in the aftermath of the asteroid impact that triggered the extinction of the dinosaurs. The residue consists of sand-sized droplets of hot liquid that condensed from the vapor cloud produced by an impacting asteroid 65 million years ago.
Scientists working off the Yucatan Peninsula are preparing to use sound waves to search for information about an asteroid that may have wiped out the dinosaurs 65 million years ago. But environmental activists are trying to shut the project down.
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.
- A gift; a largess; a gratuity; a present; a dole.