People charge their cell phones and warm up inside a vehicle near Austin, Texas, on Tuesday. Photograph: New York Times

A severe winter storm engulfing Texas and nearby states was the type of extreme weather event that climate change is triggering, rejecting assertions (...)

Vehicles travel down an snow-covered road in McKinney, Texas, US.  Photograph: Cooper Neill/Bloomberg

Millions of Texans on Wednesday began their third day without heat in the wake of a punishing winter storm that has killed at least 21 people in the (...)

Rivers such as the Great Miami (pictured) which flows into the Ohio River are particularly susceptible to agricultural runoff.

With a flow rate 35-times the River Shannon’s, the Ohio River is one of America’s most important waterways. It flows for 1,579 kilometres from Pittsbu(...)

Lauren Kern, the editor-in-chief of Apple News, at a story meeting at Apple’s old headquarters in Cupertino, California. Justin Kaneps/The New York Times

Many of Apple’s employees moved into a glistening new $5 billion (€4.4 billion) glass headquarters in Cupertino, California, this year. A mile west, a(...)

Anshumali Shrivastava: “If a person is looking for friends, they should basically be active in as many communities as possible.”

Forming online friendships is an optimisation problem, according to researchers at Rice University in the US. In order to make new friends the idea i(...)

More than 3,500 private-equity investors, corporate chief executives, heads of global organisations and government officials from dozens of countries flocked to this week’s conference

Saudi Arabia threw an economic coming-out party of sorts last week, hawking its efforts to liberalise its conservative society and diversify its econo(...)

Christophe de Margerie, CEO of French oil and gas company Total SA was killed in an airplane collision with a snow plow at Moscow’s Vnukovo International Airport, airport spokeswoman Elena Krylova said today. Photograph: Gonzalo Fuentes/Reuters

Total’s chief executive officer Christophe de Margerie died when his airplane struck a snowplough on a Moscow runway, ending a career in which he o(...)

The Suncor oil sands extraction facility near the town of Fort McMurray in Alberta, Canada. Photograph: Mark Ralston/AFP

At a time of Russian sabre-rattling and with the Middle East in turmoil, a welcome geopolitical treble win could be on the cards. The United St(...)

Students on board the MV Explorer

A floating university docks in Dublin tomorrow with 575 students from 20 different countries on board.The MV Explorer is marking the 50th anniversary (...)