Eight distant worlds hold secrets that still puzzle scientists and spark endless curiosity. Each moon offers a strange allure ...

I have covered a lot of sky over the years, and I hope you have learned a little about our universe and gained an appreciation of the sky.

A provocative theory is gaining new support today. Scientists suggest atom-sized black holes may move through Earth. These primordial black holes likely formed after the Big Bang.

Avoid shopping (except food and gas) and important decisions from 7 PM to 8:30 PM EST today (4 PM to 5:30 PM PST). After that ...

Several small worlds beyond Jupiter are not just frozen rubble. Beneath their shining skins, many hide oceans of liquid water. New research says those seas do not always stay calm. When the ice lids ...