BBC Scotland HD (Freeview) Tuesday

Reports from BBC newsrooms across the country with analysis and discussion on the big stories of the day

Andrew O'Donnell and Mark Taylor head to Assynt in Sutherland to seek out the Northern Lights, although the weather might have an impact on their plans

Lismore farmer Donald McColl and his family prepare to ferry their 12 pregnant heifers to market, while Oban staff are under pressure due to additional sailings

While Hud's shock attempt to stop the train his way threatens to end in disaster, Abby is stunned to discover that Joe may be in even more danger than any of them realised

Part two of two. Australian scientists Himanshu Brahmbhatt and Jennifer MacDiarmid challenge perceived ideas about the interface between science and business

Martin Geissler hosts discussion on Scotland's biggest news stories

No one is keener to surf society's wake of woke than ally-to-all Miekelson, so he signs up for a personal revamp after his colleagues point out a long list of his privileges