New quake shakes traumatized Mexico City

A new earthquake sowed panic in Mexico City on Saturday, forcing a brief pause in rescue operations to free survivors from the more powerful tremor this week that devastated parts of the capital.

Scientists: Desert turtle endangered, 100 left in Arizona

It may not be surprising that an "aquatic desert" turtle faces long odds in life, but environmentalists and biologists still welcomed this week's endangered species designation for the Sonoyta mud turtle.

How aerial thermal imagery is revolutionizing archaeology

A Dartmouth-led study has demonstrated how the latest aerial thermal imagery is transforming archaeology due to advancements in technology. Today's thermal cameras, commercial drones and photogrammetric software has introduced ...