To continue Popinchalk's city analogy, by looking beyond the Milky Way we're asking how many people live in all the cities on Earth. "If our galaxy has around 100 billion planets, and there are ...

In today’s Lightning Round video, we look at the upcoming Nancy Grace Roman Telescope, which is predicted to find rogue planets through ... purchase Parents whose kids become confident ...

If even a tiny fraction of these planets develop life, and a fraction of those develop intelligence and technology, the galaxy should be buzzing with signals, megastructures, or even interstellar ...

Follow Roo, Umba and Metric as they fight to get home and get off the prison Planet Fomóire - weekdays on RTÉ2 at 3.55pm. All episodes streaming now on RTÉ Player!

The Webb telescope has spotted exoplanets circling white dwarf stars, proving that planets can survive their star’s violent ...