Experts say rising global sea levels will exacerbate the risk of both repeat flooding and storm surges in an Irish context. File photograph: Getty Images

Extreme flooding events in some US coastal areas could double every five years if sea levels fuelled by climate change continue to rise, according to (...)

Japanese former professional boxer Iwao Hakamada, who was sentenced to death for the murder of four members of a family in 1966. Photograph: Kazuhiro Nogi/AFP/Getty Images

Iwao Hakamada (82) spends a lot of time in the neat apartment he shares with his sister gazing out the window. After 48 years in jail, most of it in s(...)

Paul Allen   speaks  in New York, US, in April 2011. File photograph: Ramin Talaie/Bloomberg

Had I ever met Paul Allen? Following the announcement of Allen’s death at 65 this week from non-Hodgkin’s lymphoma, an editor wanted to know if I’d ev(...)

Undated  image issued by the European Southern Observatory of an artist’s impression showing a huge cigar-shaped object assumed to be an interstellar asteroid. Photograph: ESO/M Kornmesser/PA Wire

A huge cigar-shaped object assumed to be an interstellar asteroid could be an alien starship, scientists believe. The bizarre claim was made as resea(...)

A Portuguese man o’ war photographed recently on the southwest coast. A marine biologist has warned they have an extremely dangerous sting and should not be handled. Photograph: Vincent Hyland/Wild Derrynane

NUI Galway Ryan Institute marine biologist Dr Tom Doyle has reiterated his warning that Portuguese men o’ war, currently being washed up on the west c(...)

President Barack Obama arrives to deliver his speech at Safaricom Indoor Arena. The president wove together the history of Kenya, which became independent a few years after he was born, with his own story. Photograph: Evan Vucci/AP

Barack Obama offered a poignant glimpse into his African heritage and went on the offensive against female genital mutilation and other “bad tradition(...)