The HI 21 cm data show that G165's WNM is not calm or featureless, as once assumed based on observations in the denser Galactic plane. Instead, it's supersonic and highly structured A team of ...

Solar System's Run-In With 'Space Cloud' May Have Triggered a Series of Ice Ages 2 Million Years Ago, Says Scientists Around two million years ago, Earth underwent a series of temperature fluctuations ...