In ‘This Week in History,’ the last of NASA’s Mariner missions pursued the impossible task of reaching the elusive planet Mercury.

Two Southern women, decades apart, brought the Civil War to life in haunting fiction.

The Renaissance humanist Petrarch wrote letters to ancient authors, showing readers how to keep the past alive.

In this installment of ‘Profiles in History,’ we meet an Austrian artist who immigrated to America and founded one of the most influential political magazines.