Japanese knotweed. “The plant poses less of a risk to buildings and other structures than many woody species, particularly trees.” Photograph: Getty Images

An Irish ecologist has completed research which suggests that the threat posed by Japanese knotweed is vastly overstated, and he claims it does no mor(...)

Patrick Honohan, outgoing governor of the Central Bank. Photograph: Alan Betson / The Irish Times

The rate of economic growth is being exaggerated and may be leading to overconfidence in planning for the future, the outgoing Central Bank governo(...)

An Irish scientist examining photographs from the Mars Reconnaissance Orbiter has found further evidence of water flowing on the surface of Mars increasing the chances of life existing on the Red Planet.

An Irish scientist has found new evidence of flowing water on the surface of Mars. Dr Colman Gallagher, of the UCD School of Geography, and Open Univ(...)

Kerry footballers celebrate their Munster final victory over Cork. The success of a small number of teams in provincial championships has sparked calls for  a two-tier system. Photograph: Cathal Noonan/Inpho

After Kerry’s victory over Tyrone, one feature of the All-Ireland final has been confirmed: despite the back-door system, once again two provincial ch(...)

Seagulls above the boardwalk on Dublin’s quays. It could be argued that the city’s seagulls are more highly evolved than those in other parts of the country. Photograph: The Irish Times

Seagulls, is it? It must be frustrating to be a Senator intent on getting loads of work done and trying to reform the system from within. You toil day(...)