You can now ride in a robotaxi in U.S. cities, but factors ranging from weather to regulations continue to present roadblocks to self-driving ... but like a roller coaster you know that it ...

Technological advancements in computer- and AI-assisted design have made the pipe dream of a 1,000-foot-tall coaster a very ...

The man said he was on Desert Storm, a double-looping roller coaster, when the lap bar became unlatched just seconds after ...