Think of the children.
And it could have implications for climate change.
The vantage point at Cerro Pachón, with its dark skies and high-altitude clarity, enhances the richness of the image.
Astronomers have spotted a distant world "shedding" its atmosphere into space in real time, creating a giant cloud of helium
Auroras may be visible from Alaska to New York as a speedy solar wind and incoming coronal mass ejection are