Trace Indigenous history this fall on sacred hiking trails across the U.S., from canyon dwellings to forest mounds and ...

Alamosa sits in the San Luis Valley like a gateway to adventures that won’t empty your wallet. This south-central Colorado town offers day trips that cost less than a tank of gas in most places. The ...

Abstract: Inconsistent responses of X-ray detector elements lead to stripe artifacts within the sinogram data, which subsequently manifest as ring artifacts in the reconstructed computed tomography ...