The Northern Lights or aurora borealis may be visible in the U.S. this week due to a coronal hole and a "co-rotating ...

When a planet's orbit brings it between Earth and a distant star, it's more than just a cosmic game of hide and seek. It's an ...

Global warming is flooding low-lying coastal regions, but it’s drying out the land beyond. The most serious consequences of ...

This gives an analogy of our Problematics puzzle. The traveller and the Earth are rotating in the same direction. So for an ...