You CAN'T Nuke The Sun...

[Elyesca_officiel]

Inserting hydrogen inside,
It's sadly not possible but if it was, it would be great because the sun will grow in size due to the lack of Hydrogen and the sun starting to use Helium instead.

[Anime_is_cool_aot]

And also one of the layers of the sun is a radioactive zone like layer (your basically it’s child if you feed it more radiation)

[Ghostchick-jc]

What is you could kind of like terraform it in a way to make it younger to keep it from expanding

[elisastagliano]

I think we should worry about the asteroid heading towards Earth not terraforming mars