Top 10 science anniversaries in 2020

The discovery of electromagnetism and X-rays, plus the first atomic bomb, made this year’s list

atomic bomb

The first atomic bomb exploded on July 16, 1945, at Alamogordo, N.M. Today it remains a symbol of the power of science.

U.S. Department of Energy

This article is only available to Science News subscribers.

Subscribers, enter your e-mail address to access our archives.

Not a subscriber?

Science News is a nonprofit.

Support us by subscribing now.

More Stories from Science News on Science & Society

From the Nature Index

Paid Content