I haven't heard any news from him.
消息を絶ってからもう一年になる。
It's been a year since we lost contact.
Used when asking or talking about where someone is or what they are doing, often in a slightly formal or concerned tone. Overlaps with sense 1 but focuses on location/activity rather than general news.
彼の消息をつかむのに苦労した。
We had trouble tracking down his whereabouts.
I wrote a letter inquiring about my friend's whereabouts.
I finally found out his whereabouts.
I received news from her for the first time in a year.
The police got a lead on the fugitive's whereabouts.
well-informed person; insider
whereabouts unknown; untraceable; long lost