When Betty Kellenberger took her first steps on the Appalachian Trail, she wasn’t out to chase a record. She was fulfilling a lifelong dream. At 80, with a replaced knee and a backpack nearly as big ...

When Betty Kellenberger took her first steps on the Appalachian Trail, she wasn’t out to chase a record. She was fulfilling a lifelong dream. At 80, with a replaced knee and a backpack nearly as big ...

The technology of war never stands still, and each conflict provides hard-won lessons in where the current generation of weaponry worked — and where it didn't. One of the main lessons being learned in ...

Texas is a major hub for driverless trucking startups, with Aurora launching its self-driving trucking service in May 2025 and Kodiak planning to launch its own driverless trucks in the state in 2026.