The Federal Aviation Administration says a Piper PA-28, a small single-engine aircraft, landed after reports of engine issues ...

Some 50,000 years ago, a meteor struck near what is now Flagstaff, Arizona, leaving a 560-foot-deep crater. More recently, an ...

Resolution Copper wants to dig up a massive amount of copper ore beneath Oak Flat inside the Tonto National Forest. And by ...

NASA’s OSIRIS-REx mission returned samples from asteroid Bennu, which showed discoveries about life and the early solar ...

It’s first stop on my road-trip loop (from Phoenix) of Arizona’s section of Route 66 – the longest intact stretch of this ...

Intel's new CEO is leading a bold turnaround to reclaim tech leadership with innovations in CPUs, foundry expansion, and ...

Astronomer Percival Lowell founded his Arizona stargazing lab in 1894 to aid in his search for life on Mars. While that quest is still ...

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As the solar system moved through this dust-rich region, Earth may have received an increased influx of interstellar particles.