Boaz Katz

One of the most striking facts that we know about the cosmos is that most of the chemical elements that ­constitute matter, including our bodies, were produced inside stars and ­distributed by their explosions. It is amazing how much we know about...

On the evening of November 11, 1572, twenty-six-year-old astronomer Tycho Brahe was about to make a discovery that would change his life and consequentially boost the scientific revolution significantly. While casually staring at the night sky, he...

The desire to discover distant, rare, and strange objects dominated twentieth-century astronomy, for which increasingly larger and more sensitive telescopes were constructed.

The act of carrying out this objective has brought enormous—and somewhat...