Hawaii’s regular sunshine, short rain showers and clean air come together to create some of the planet’s best conditions for ...

Hawaii’s sunshine, short rain showers and clean air together create some of the planet's best conditions for viewing rainbows ...

I started teaching in 1977, and across my nearly 50 years, I noticed that students were always interested in the history of ...

The moon's ascending node (the point in the sky where its orbit crosses the ecliptic from south to north) is moving westward ...

NASA launched its PACE climate satellite with the Dutch aerosol instrument SPEXone onboard. A full year of observations now ...

February's full Snow Moon will have a royal companion as it rises alongside Regulus, a star nicknamed "Heart of the Lion", ...