Though sun halos can happen year-round, they are especially noticeable in the winter when ice-filled cirrus clouds are more ...

Modern behavior analysis offers a deep understanding of a commonly recognized change process in psychotherapy.

Before Hazelton joined NOAA’s Environmental Modeling Center, which keeps federal weather models running, he was on a team ...

India will finalise a "mutually beneficial" free trade deal with the European Union by the end of this year, Prime Minister Narendra Modi ...