In the leading model of cosmology, most of the universe is invisible: a combined 95% is made of dark matter and dark energy.

I have a photo of my father, sitting on a log on a beach somewhere in the South Pacific during World War II. Herman Kogan was a U.S. Marine Corps sergeant, a combat correspondent who fought in and ...

America’s scientific dominance was never inevitable; in the 1920s, serious PhDs went to Europe. World War II changed everything. Afterward, the United States built an unmatched innovation ecosystem ...

A federal judge threw out the criminal charges against the former F.B.I. director James Comey after finding that the prosecutor President Trump handpicked to bring the cases had been illegally ...

With Chicago facing a projected deficit of more than $1 billion in 2026, why does the city's salary database show at least a ...

Jordan Bastian (MLB.com*): Cubs’ pursuit of arms likely to continue at Winter Meetings. “While the Cubs have made a few early ...

Renowned American multi-hyphenate Queen Latifah recalls how 'Chicago' success opens door, talks about how 'good' studio notes ...

This season’s early snowfall shoveling might remind some of a relentless winter from almost 50 years ago when Chicago experienced its most snow ever: almost 90 inches of it.

We cover the coverage like PCA covers center field. Names in the news today: Rob Refsnyder, Michael King. Several places have discussed both. Refsnyder looks like Turner-lite and that probably doesn’t ...

These are the 9 best luxury hotels in Chicago, where the hotels are both leaders in luxury and architecturally significant.

The incentives in music journalism say it makes economic sense to cover popular artists. But loving music isn’t about making ...

A person was in custody on Tuesday after a woman was set on fire while riding a CTA Blue Line in Chicago's Loop the night before. The woman remained in the hospital late Tuesday night. According to ...