Quick Summary
The programme investigates the mysteries surrounding black holes, delving into their hidden properties and behaviour. It also examines how certain black holes could pose a significant lethal threat to life on Earth, highlighting the potential dangers they may represent for the future.
About This Program ✦
Dark Star is a programme presented as an episode within its series. It falls under the genre of an episode‑type show, and its title hints at a focus on astronomical phenomena. The core of the episode centres on the mysteries surrounding black holes. It examines what scientists know about these dense objects, probing the hidden aspects that still puzzle researchers. In particular, the episode looks at how some black holes might pose a direct threat to life on Earth, considering the ways their extreme properties could become lethal. Throughout the broadcast, the narrative follows a line of inquiry that moves from basic description to the possible consequences of black‑hole activity. It outlines the mechanisms by which a black hole could affect our planet, linking the abstract physics to tangible risks for humanity. By the end of the episode, viewers are left with a clearer picture of both the intrigue and the danger that black holes represent. The programme ties together the scientific curiosity about these cosmic features with the sobering notion that, under certain conditions, they could have a harmful impact on life here on Earth.
Killers of the Cosmos broadcasts on Discovery Science at 10:00am, Tuesday, 10 February 2026.



