Einstein’s most famous equation wasn’t first introduced by Einstein, and Einstein didn’t derive it.
Did You Look At The Sun? So Did Galileo
If you caught a brief glimpse of the Sun during the eclipse, you’re not alone.
The Eclipse And The Pendulum
In 1954 an economist did a physics experiment, and the resulting controversy raged for decades.
Legends Of The Cold
The Little Ice Age is a period of legendary cold in England, but are the historical reports accurate?
National Observatory
Kitt Peak is the oldest national observatory in America.
We Three Kings
Was the Star of Bethlehem a real astronomical event?
Phantom Time
Did the Catholic Church simply make up 300 years of early Medieval history? Astronomy clearly says no.
The Pace Of Time
Ancient astronomers tell us how Earth’s days have lengthened.
Dark Beginnings
The history of dark matter spans more than a century, and continues to raise interesting questions.