Big Bang:

In the beginning, there was no space and no time. Everything was squeezed together under incredibly high pressure and temperature. Then, more than ten billion years ago, the universe suddenly exploded into being. Scientists call this the Big Bang. Matter formed and was carried outward by the blast, and time…

Explore Science Dictionary

Seymour Science Blog

Earth Day eBook SaleWednesday April 11, 2018

Earth Day eBook Sale

I am so pleased that HarperCollins is doing a special promotion with two of my books for Earth Day. Between now and April 23, the eBook editions of two of my books, GLOBAL WARMING and WILDFIRES, will be on sale for just 99¢…

Seymour Simon on Facebook and Twitter Become a Seymour Simon Facebook Fan Follow Seymour's field notes and photos