A remarkable cache of love letters from Albert Einstein to his first wife revealing his raunchy side have emerged for sale ...

Here’s how it works. General relativity is physicist Albert Einstein's understanding of how gravity affects the fabric of space-time. The theory, which Einstein published in 1915, expanded the ...

The Baby Einstein Company was founded in 1996 by stay-at-home mom and former teacher Julie Aigner-Clark at her home in suburban Alpharetta, Georgia, as Julie Aigner-Clark Films. Aigner-Clark and her ...