UC Santa Cruz astronomers have played a vital role in the new telescope's development, and will be among the first to use it after it launches Dec. 24.

Research is showing that the behaviors of teenagers aren’t just there to annoy parents. They serve a real evolutionary purpose.

Under current guidelines, the planet is on target to warm up 2 degrees Celsius by 2050 and 4 degrees by 2100, triggering serious large-scale problems by the end of the century.