In short, the rocket launches far away, in California. but it goes so high that we can see it in Arizona. And when we see it, it's not in the shadow of nightfall, even though Arizona is. The "glow" is ...

Some Arizonans were concerned on Monday night over what they saw in the night sky but it was an event that has happened a few ...

Tracking and predicting sea level rise involves more than measuring the height of our oceans: Land along coastlines also ...

In 2018, the side of the Anak Krakatau volcano collapsed in a powerful eruption and produced a tsunami that killed hundreds ...