A well-preserved woolly mammoth calf has been excavated in the Canadian Arctic, the first time such a discovery has been made in North America, and only the second baby mammoth to be recovered in the world, an event that is being called the “most important discovery in paleontology in Northread more
The concentration of the greenhouse gas methane in the atmosphere rose at a record-breaking rate in 2021, according to the National Oceanic and Atmospheric Administration (NOAA), jumping by 17 parts per billion (ppb) over the course of the year, beating 2020’s precipitous rise of 15.3 ppb. The estimated 640 million tons ofread more
Nuclear waste: the radioactive material left over from numerous medical, industrial and military applications can persist for millions of years before its atomic structure decays into a more stable element. Although the long-term storage of toxic byproducts can mostly keep them out of harm’s way for hundreds of thousands ofread more
Radio astronomers in China have observed what they believe to be an artificial radio signal from another star system, a system that is home to an exoplanet with characteristics extremely similar to that of the Earth. The research team that made the discovery included researchers from Beijing Normal University, theread more