On today's newscast: A deep dive by the Denver Post into newly released federal files reveals Jeffrey Epstein’s ties to Aspen; realigning Highway 82 at the entrance to Aspen could cost $300-400 million dollars; and the federal government has cancelled census testing on some tribal lands. Tune in for these stories and more.

Every week, more than 100,000 people ride bikes, skates and rollerblades past some of the best-known parts of Mexico's capital. And sometimes their dogs join them too.

The shortest month of the year is packed with highly anticipated new releases, including books from Michael Pollan, Tayari Jones and the late Nobel laureate Mario Vargas Llosa.

A shooting at a school in British Columbia left seven people dead, while two more were found dead at a nearby home, authorities said. A woman who police believe to be the shooter also was killed.

The Environmental Protection Agency is eliminating a Clean Air Act finding from 2009 that is the basis for much of the federal government's actions to rein in climate change.

Hat tricks have a rich history in hockey, but it didn't start there. For NPR's Word of the Week, we trace the term's some 150-year-history and why it's particularly special on the hockey rink.

The allegations were leveled by U.S. officials late last week. Arms control experts worry that norms against nuclear testing are unraveling.