Rachael Garside is in the village of Talybont on Usk in the Brecon Beacons, where the National Park is trying to go for International Dark Sky status.
News, sport, weather and travel information.
Bethan Rhys Roberts sits in for Ollie to take your calls on the day's big talking point in Wales. Do you think Wales needs more political power?
Great songs, your opinions and the biggest stories of the day.
Louise presents the best of Wales' cultural and entertainment scene and the latest on the afternoon's big stories.
Drivetime news, sport, weather and travel.
Rob Phillips and guests discuss the biggest football stories of the week.
Live music sessions and behind-the-scenes gossip reflecting the rich Welsh cultural scene.
Join the club for late-night music and chat.
BBC Radio Wales joins the BBC World Service for a selection of news and current affairs, science and arts programmes to take you through the night.