Premieres Wednesdays Nov. 5 and 12, 2025 / Stream with KPBS+ / Encores Sunday, Nov. 9 and 16 at 3 p.m. on KPBS TV and 9 p.m.

"Operation Space Station: High-Risk Build" debuts Nov. 5, 2025 at 9 p.m. ET on PBS. "Operation Space Station: Science and ...

In the hunt for extraterrestrial life, we usually look for planets orbiting sun-like stars and icy moons. But there is another possible candidate—planets circling white dwarfs, the hot, dense remnants ...

Planets orbiting dead stars known as white dwarfs might be able to remain habitable thanks to general relativity subtly altering their motion. When stars like our sun run out of fuel, they expand and ...

After nearly two decades, the classic kids' show Reading Rainbow is back — with a new host and a new digital format, but with the same mission of encouraging children to "take a look, it's in a book." ...

Billions of years ago, Mars’ Jezero Crater held a lake fed by rivers that could have carried minerals and maybe even organic matter. On Earth, places like that are teeming with microbial life. NOVA is ...

Take an epic journey across the solar system to Venus, Mars, and Jupiter. Each world tells a different story — from Venus’s fiery surface to Mars’s red deserts and Jupiter’s massive storms. This ...

Earth's core cannot be made just of iron — it also appears to contain carbon. And our research suggests it may contain a bit of oxygen and possibly silicon as well. The iron-rich core at the centre of ...

Astronomers have directly spotted a rare young planet, WISPIT 2b, still forming within the gap of a dusty ringed disk around a star like our sun—something long theorized but never observed until now.

CAPE CANAVERAL, Fla. (AP) — Scientists revealed Wednesday that Mars’ innermost core appears to be a solid hunk of metal just like Earth’s. The Chinese-led research team based their findings on seismic ...

An analysis of seismic waves propagating through Mars finds evidence that the planet has a small, solid inner core, which challenges existing planetary models. Read the paper: Seismic detection of a ...

Alfredo has a PhD in Astrophysics and a Master's in Quantum Fields and Fundamental Forces from Imperial College London.View full profile Alfredo has a PhD in Astrophysics and a Master's in Quantum ...