WhatsApp, security and spyware: what happened

Facebook-owned WhatsApp's revelation of a security flaw allowing hackers to inject spyware on smartphones raised fresh concerns about the security of the mobile ecosystem.

Video: Staying fit in space

Managing the health of astronauts orbiting Earth at 28 000 km/h is a challenge, but how will we equip astronauts to stay healthy and deal with any medical emergencies during missions to the Moon or Mars?

Ethiopian Airlines says pilots got appropriate training

Ethiopian Airlines' CEO says the pilots who flew the plane that crashed on March 10 had trained on "all appropriate simulators," rejecting reports that they had not been adequately prepared to handle the new aircraft.

Leaders appeal for 'urgent action' on environment

World leaders gathered in Kenya on Thursday to lend political muscle to UN environment talks, calling for "urgent action" to slow the destruction of natural habitats and accelerate funding for green development.

Watching for 'bright lines' during the Trump presidency

For the past year and a half, Bright Line Watch, a non-partisan group of political scientists, has been surveying the American public and their colleagues in academia in an effort to gauge the health of the nation's democracy. ...

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