World CNN Wire

Mysterious rumblings were recorded in Earth's stratosphere

Giant solar balloons were sent 70,000 feet up in the air to record sounds of Earth's stratosphere — and the microphones picked up some unexpected sounds.The stratosphere is the second layer of Earth's atmosphere, and its lower level contains the…

Loaf-size mission launches to improve hurricane forecasting

A new mission designed to improve hurricane forecasting has launched, just ahead of the June 1 arrival of the 2023 Atlantic hurricane season.The NASA mission includes a constellation of CubeSats called TROPICS, or Time-Resolved Observations of Precipitation structure and storm…

Scientists unlock new secrets from a male woolly mammoth tusk

Traces of ancient hormones were detected in the tusks of a woolly mammoth that lived more than 33,000 years ago, revealing that the now-extinct creatures had episodes of raging testosterone.The findings provide what researchers believe to be the first direct…