SAN ANTONIO — In Houston, nearly 2,000 Haitian migrants have arrived this week from the small border community of Del Rio, with buses pulling up to a huge shelter nearly every hour. In San Antonio, hundreds more have been allowed by the U.S. authorities...

Footprints dating back 23,000 years have been discovered in the United States, suggesting humans settled North America long before the end of the last Ice Age, research published Thursday showed. Generally, even this pushed-back estimate of the age of...

In 2022, autonomous Toyotas will be used above the Arctic Circle. It's a first. They'll be working as a support system for public transit in Norway.

The House committee investigating the Jan. 6 Capitol riot issued its first subpoenas Thursday to four former senior Trump administration officials.

Could Earth be cooled by reflecting sunlight back into space? Harvard's Gernot Wagner talks with Salon