Scientist Nikola Tesla died 75 years ago, after a rags-to-riches to rags life. The eccentric inventor had an amazing intellect and set the stage for many modern technologies.
2018’s Top 10 anniversaries include notable birthdays and discoveries in math, science and medicine.
The same unease you feel when the moon blots out the sun fueled ancient astronomers to seek patterns in the skies
In modern physics, emptiness is elusive and difficult to define, a new book shows.