Premieres Wednesday, Oct. 22, 2025 at 9 p.m. on KPBS TV / KPBS+. Deep in the Arabian Desert lie thousands of enigmatic stone megastructures whose true form is visible only from the sky. Follow ...

This ‘NOVA’ installment explores the possible purposes of strange stone formations found in the Arabian Peninsula.

Many readers may remember watching "NOVA" in middle school or high school science classes, and some of us haven't seen it since -- which is a missed opportunity for both science fans and history buffs ...

Algorithms are designed to make medicine more accurate. But when race is factored in, they can worsen inequality. NOVA is available to stream on pbs.org and the free PBS App, available on iPhone, ...

The government does keep secrets about aerospace technology, but are those linked to UFO sightings? How much do they really know? With growing concerns about national security and more citizen ...

Miles O’Brien is a veteran, independent journalist who focuses on science, technology and aerospace. He is the science correspondent for the PBS News Hour, a producer, director, writer and ...