Star wars: why Nasa objects to Elon Musk’s space race

Agency’s concerns over impact of 30,000 more satellites include risk of collisions

Turning Datalex around: ‘It’s a privilege to have to clean up somebody else’s mess’

Sean Corkery jumped at the chance to lead the aviation software firm out of trouble

Scottish report casts its net wide to ensure protection of wild salmon

Angling Notes: Working group produces 42 recommendations to regulate fish farming

Man critically ill in UK hospital is ‘former Russian spy’

Two people hospitalised following exposure to ‘unknown substance’ in Salisbury

Angling Notes: International journal shows salmon-farms’ link to sea lice and mortality

Study indicates that returns of wild adult salmon can be reduced by more than 50 per cent in years following high lice levels on nearby salmon farms during the smolt out-migration

Angling Notes: Inland Fisheries Ireland protection work contributes €836m annually to economy

Angling Notes: Pollution in the North rose this year by 50%, says the Loughs Agency

Angling Notes: Dunmanway schoolchildren win Something Fishy

Plus: Atlantic Salmon Trust is seeking applications for the position of executive director

Public service pay increase deal to be formally ratified

Public servants to receive €2,000 in three phases under Lansdowne Road agreement

What should I do with Dell shares?

Siteserv chief happy to answer the call from Denis O’Brien

From Esat to Siteserv, Sean Corkery has spent much of his recent career following in the footsteps of the telecoms billionaire

Arsenal supporters want Wenger contract extension to wait

Arsenal have indicated that they want to tie the Frenchman to a new deal