Leonard Nimoy of Star Trek dies

HOLLYWOOD, CA - MAY 14: Actor Leonard Nimoy (L) and wife Susan Bay arrive at the Premiere of Paramount Pictures' "Star Trek Into Darkness" at Dolby Theatre on May 14, 2013 in Hollywood, California. (Photo by Kevin Winter/Getty Images for Paramount Pictures)

Actor best known for his role as Spock dies after suffering lung disease

Avijit Roy

US-Bangladeshi blogger hacked to death

Avijit Roy had been threatened over his secular beliefs

Border agency threat exposes US migration rift

Deal to fund homeland security faces uncertain future in House

US workers need more than $10 an hour

Short-notice rotas and low pay are key to protests across America, writes Linda Tirado

US shale town ‘hurting bad’ in oil slump

Producers retrench after near halving of prices since summer

New York men charged with Isis conspiracy

Arrests of Brooklyn residents heighten radicalisation concerns

US not to charge killer of unarmed black man

Probe into Trayvon Martin’s death finds ‘insufficient evidence’

Lobbyists pervert politics and earn infamy

A contract to lobby government, like an agreement to sell sex, was unenforceable in the courts

Walmart pay rise obscures job market shift

Employers are saving money but the impact on workers can be high

Miami: US gateway for Latin America

Start-ups drawn by chance to tap into Spanish speaking community

Yahoo and NSA chief clash on data privacy

Tech group warns on ‘backdoor’ access to systems by US

US cracks down on pension advisers

Obama presses ahead with rule to protect clients

‘Birdman’ swoops to Oscars win

Alejandro González Iñárritu’s movie prevails in close race at awards

Higher wages finally come to Walmart

Employers will need to rethink labour policies in tighter markets

Rahm’s edge cuts both ways in Chicago

Hard-nosed former Obama aide faces tough mayoral re-election fight

A case for raising student borrowing age

We should treat the young like Buffett handles his investments

Sim card giant probes spy theft claims

Security group investigates whether encryption keys were stolen by NSA in the US and UK spy agency

Why Walmart’s raise is good for business

World’s biggest private employer discovers generosity can be good

White House grapples with jihadi threat

Years after 9/11, the US is still debating the root causes of terrorism

White House warns on risks to growth

Recovery threatened by weak income trend and inequality