SEATTLE — The smiley face moon made a partial appearance in the skies of western Washington just before sunrise Friday.

My daughter recently asked me what these white flecks were on the Aviron Victory Treadmill in her playroom. Dried oobleck, I ...

President Trump and President Volodymyr Zelensky of Ukraine are among the world leaders who plan to attend the funeral. The ...

In 1951, Trap Pond became one of Delaware’s first state parks, preserving this remarkable ecosystem for future generations.

The last time I wrote an article here, it was to talk about Afar Region volcanoes, and I promised more to come. This is still a project that I have in mind, but that will have to wait a little ...

Some people probably believe that the twinkling effect is produced by the stars themselves, but that is not the case at all.

Slideshows ...