A crash that resulted in a fuel spill shut down Interstate 15 north of the Las Vegas Valley on Monday morning. But in the evening, Clark County officials reported that the freeway had reopened.

One proposed wildlife crossing is a culvert that goes under I-15 north of San Diego County, the other a vegetated, wildlife crossing that goes over I-15. Both are similar to what’s being built ...

Iran fired dozens of missiles into Israel, a sharp escalation of the monthslong conflict between Israel and the Iran-backed militias Hezbollah and Hamas that threatened to become a wider regional war.

Women’s health research lacks funding – these charts show how Conditions that affect women more than men garner less funding. But boosting investment could reap big rewards.

Image courtesy Canyon Ranch Located about three hours north of Manhattan, the Berkshires in Massachusetts was once a prime spot for the Gilded Age wealthy from New York and Boston to vacation ...

US stocks fell on Friday to register weekly losses as investors assessed President Trump's latest tariff threats and the potential impact of his massive tax bill on the deficit and the economy.

This timeline outlines the most important events influencing the U.S.A.'s federal gun policy, from 1791 to the present.

The United States began regulating immigration soon after it won independence from Great Britain, and the laws since enacted have reflected the politics and migrant flows of the times. Early ...

Start at the very beginning of the map’s timeline, Michele Debczak advises in Mental Floss, and you’ll see the planet evolve from “unrecognizable blobs of land” to the massive ...

Fifty years ago, nearly a third of U.S. workers belonged to a union. Today, it's one in 10. But the decline has not been the same for every state. Here is a map showing how union membership has ...

The 1924 Johnson-Reed Act marked a schism in the country’s immigration history. How did the nation get to that point? Before the act, there were these smaller attempts to restrict immigration ...

For most Americans, March 11 was the day the coronavirus crisis first became real. Fifty-two weeks later, millions have fallen ill and millions more have been vaccinated. More than 525,000 are ...