Cosmic explosion will be visible to the naked eye in once-in-a-lifetime stargazing event
The event, known as a nova, will be so bright that a “new” star will seem to appear in the night sky temporarily, visible to the naked eye
Four astronauts from four countries return to Earth after six months in orbit
Leading the returning crew was NASA's Jasmin Moghbeli, a former Marine helicopter pilot, accompanied by Denmark's Andreas Mogensen, Japan's Satoshi Furukawa, and Russia's Konstantin Borisov
“Worst-case” climate predictions are “no longer plausible”, study suggests
Such scenarios are based on outdated data from 15 years ago and are no longer likely to happen