1. Skip to content
  2. Skip to main menu
  3. Skip to more DW sites
In focus
Los Angeles wildfiresClimate changeGerman election 2025
Latest audioLatest videos
Live TV
ScienceGlobal issues

Does Planet Nine really exist?

September 30, 2022

This week's Tomorrow Today viewer question comes from Demetrio Puentes Quintero in Colombia.

https://p.dw.com/p/4HZK8
Skip next section More on Science from around the world

More on Science from around the world

DW Tomorrow Today Sendungslogo Composite

Tomorrow Today — The Science Show

Mapping and monitoring coral reefs; miracle marine worms; organ donation and the gift of life; racism in medicine.
ScienceJanuary 5, 202526:04 min
DW Projekt Zukunft Sendungslogo Englisch (Tomorrow Today)

Tomorrow Today — The Science Show

Major spacefaring nations are planning missions to the Moon in the relatively near future. There’s a lot to be learned.
ScienceDecember 21, 202426:05 min
Tomorrow Today/Projekt Zukunft | Zuschauerfrage Astronaut

How do you become an astronaut?

This Tomorrow Today viewer question comes from Aya S. in Egypt.
ScienceDecember 20, 202402:36 min
Show more