With star names like 2MASS J05551028+0724255, it might seem like astronomers are not so great at naming things. But if you know the code, these names can actually help you find the star in the sky.

Suppose you placed a camera at a fixed position, took a picture of the sky at the same time every day for an entire year, and overlaid all of the photos on top of each other. What would the sun look like in that combined image? A...

Discover how the compass needle interacts with Earth's magnetic field. Understand what causes the discrepancy between the Earth's magnetic North Pole and the geographic North Pole, known as declination, and how compass users can...