Researchers report a reflective gold diffraction-grating sensor whose Fano-type plasmonic response produces a sharp ...

Mars is reputed to lack ongoing volcanic activity. However, marsquakes were revealed recently, and clues to volcanism younger ...

Voters say they’re worried about affordability. But Trump still seems to think high costs are a Democratic psyop.

The roots of Russia's invasion of Ukraine go back decades and run deep. The current conflict is more than one country fighting to take over another; it is — in the words of one U.S. official — a shift ...