As an art director at the United States Postal Service, Antonio Alcalá has designed stamps honoring Woodstock, the Emancipation Proclamation and Ezra Jack Keats’ children’s book classic “A Snowy Day.” ...

Even if the water’s too cold to take a dip, there’s still lots to do on a beach besides soaking up the sun. With this cube stamp you can even resort to playing board games without the risk of losing ...

Scientific American is part of Springer Nature, which owns or has commercial relations with thousands of scientific publications (many of them can be found at www ...

Sign up for Forwarding the News, our essential morning briefing with trusted, nonpartisan news and analysis, curated by senior writer Benyamin Cohen. (JTA) — As an ...