Andy Jassy takes over as the $1.7tn company comes under intense political and regulatory scrutiny

Planet Business: Office? What office?

Company founder to be replaced as CEO by Andy Jassy, seen as a steady hand on the tiller

But decision to step down feels natural and almost inevitable

Tesla and SpaceX entrepreneur now has net worth of $188.5bn

Wealthiest man in the world has become $25bn richer since early March

World’s richest man previously said he needed to sell stock to fund space exploration plans

Cosmologist speaks at Young Scientist exhibition in Dublin

The Moon, Mars and orbiting colonies are all being explored as possible options

Amazon founder sells $1.8bn of Amazon shares in first stock sale since divorce

SpaceX hopes that by next year hundreds of satellites will be circling the planet, beaming high-speed internet to almost anywhere on Earth

Novelist became world’s fourth richest woman after divorce from Jeff Bezos

Amazon founder plots multigenerational bid to build colonies for humans in space

Arrangement expected to make Ms Bezos third richest woman in world

Online retailer has raised its US minimum wage to $15 per hour

Money used will open pre-schools in low-income neighbourhoods

Denis O’Brien offers advice to Amazon founder on how best to help people ‘right now’

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