History will look back at our time and ask a simple question: How could humanity extend life so dramatically—yet fail to redesign the way we live accordingly? We are going through one of the most ...

The chances of intelligent life emerging in our Universe -- and in any hypothetical ones beyond it -- can be estimated by a new theoretical model which has echoes of the famous Drake Equation. This ...

The search for life beyond Earth is a key driver of modern astronomy and planetary science. The U.S. is building multiple major telescopes and planetary probes to advance this search. However, the ...