Fledgling kestrels in show unexpectedly high survival. Adults face more danger, especially in winter, with most deaths caused ...

North America's smallest falcon, the American Kestrel (Falco sparverius), has declined across the continent since the 1970s, ...

North America’s smallest falcon, the American Kestrel (Falco sparverius), has declined across the continent since the 1970s, ...

Southwest Research Institute (SwRI) collaborated with the U.S. Air Force to ensure fleet safety after a large crack was unexpectedly found near the cockpit of a T-38 Talon. A new study describes how ...

Matt Richtman won the 40th annual Los Angeles Marathon on Sunday, becoming the first American man to take the title in 31 years. He set a personal-best time of 2 hours, 7 minutes, 56 seconds over ...