78,000 people have applied to live on Mars. Up to 3,000 will make the first cut, and the 28-40 finalists will spend seven years training before 4 finally get selected for a one-way trip to live on Mars.
If you are of European ancestry, a European stranger could be a not-too-distant relative, a new genetic study suggests. Indeed, all humans share a set of common ancestors who may not be as ancient as you might think.
Two NASA space telescopes have captured what appears to be the most powerful star explosion ever detected, a cosmic event so luminous that scientists dubbed it 'eye-wateringly bright' despite being 3.6 billion light-years from Earth.