Because if anything lures the Martians from their underground caves, it’s the threat of losing their mayorship.
Curiosity, which already has a seven-figure following on Twitter, left a few tips for future visitors.
- 200 million women and girls have undergone genital mutilation, UNICEF data says. But the practice's prevalence is down.
- Hillary Clinton and Bernie Sanders debated head-to-head over who was a true "progressive." 🇺🇸
- Do you know what happened in the news this week? Time to take our quiz.