Science Our magnetic poles shifted in the past. Are we overdue for another shift, and how will that affect our electronics, the continents, and the Sun’s effect on us while the poles shift?
Exotic Objects Is there a quasar behind every black hole, and a black hole behind every quasar? Are these different faces of the same object?
Science In the Northern Hemisphere, the summer solstice happens on or around June 21. Yet the summer is usually hottest the first week of August. The opposite is true for the winter solstice. Why the delay?
Exoplanets, Planets Ask Astro: How do scientists determine the chemical compositions of the planets and stars?
