The Daily Planet is a newspaper publisher located in Metropolis.
Cat Grant worked at the Daily Planet as Perry White's personal assistant, and wrote an article for the gossip column of the paper. She later quit to start her own company, CatCo Worldwide Media.
Kara Danvers recognized James Olsen due to his connection with the Daily Planet. After the emergence of Supergirl, numerous employees were attempting to obtain an exclusive with her.
Siobhan Smythe planned to sell a video of Supergirl releasing an alien criminal to Perry White, and use the video to be hired by the Daily Planet. However, Kara made sure that Cat found out, and Cat later convinced Perry White not to hire Siobhan Smythe, who had recently betrayed her.