The impact left a 124-mile-wide crater underneath the Gulf of Mexico’s Yucatán Peninsula. And, until now, it had been assumed that the asteroid acted alone. This week, scientists at Scotland ...

Closer to the volcano’s crater, flight operations into and out ... Additional observations of ash over the Gulf of Mexico, Caribbean and Southeast U.S. are possible if eruptions coincide with ...

When this 12km-wide object slammed into what is now the Gulf of Mexico ... The outer rim (white arc) of the crater lies partly under Mexico's Yucatan Peninsula A 12km-wide object dug a hole ...

Impact breccia: The rock recovered from the Chicxulub Crater tells a story Scientists ... a 130m section of rock drilled from under the Gulf of Mexico. These are sediments that were laid down ...

The one seen in the Gulf of Mexico was a reasonably big one ... it lacked a little something; an impact crater. It would take another 10 years before samples from the Chicxulub crater were ...

Significant activity associated with the Popocatépetl Volcano led to a cloud of ash extending into the Gulf of Mexico and Florida over the weekend. Pilots around Sarasota reported seeing volcanic ash ...