NewsRadio 938 (1998 - 2004)

Plans for the launch of NewsRadio 938 was announced alongside two new radio stations by then-Minister for Information and the Arts George Yeo in March 1998. The station would be a spin-off of One FM, which used to air news-heavy content. The launch date was set for 2 October 1998, with sampler programming beginning in mid-June. It would broadcast eighteen hours a day with news every 15 minutes, talk and some light instrumental music.^[1]

The 93.8 MHz frequency was originally known as NewsRadio 938 and was officially opening ceremony or grand opening by the President of the Republic of Singapore Ong Teng Cheong on 2 October 1998 at 6:00am SGT. The brand was founded under the Radio Corporation of Singapore (RCS), which took over Singapore Broadcasting Corporation (SBC)'s radio-broadcasting operations on 1 October 1994 when it was privatised under Mediacorp's predecessor Singapore International Media (SIM Group of Companies). When the Television Corporation of Singapore (TCS) rebranded to MediaCorp on 12 February 2001, RCS subsequently became MediaCorp Radio.

938LIVE (2005 - 2017)

NewsRadio 938 rebranded as 938LIVE in 2005. 24-hour broadcasts started on 1 January 2008.^[2] A number of a new programmes and a stronger focus on news were introduced later in 2015.

938NOW (2017 - 2019)

On 6 November 2017, the station was relaunched with a new name, 938NOW, with a number of a new programmes and a stronger focus on news and lifestyle.^[3] It has expanded its content to include more tips and insights from experts in business, finance, health and wellness, medicine, parenting, food, technology, leisure, sports and travel. The station's new tagline was “In The Know, On The Go.”

CNA938 (2019 - present)

In March 2019, in conjunction with CNA's 20th anniversary, Mediacorp announced that the station will be rebranded as CNA938 (initially as CNA Talk). The newly branded radio station was launched on 3 June of that year.