News Nation on MSN

Mysterious Mars moon ‘monolith’ worth examining, physicist says

A 300-foot-tall anomaly on one of Mars' moons has intrigued observers for years.
California is for Adventure on MSN

California’s most geometric rock formation looks too perfect to be natural

Devils Postpile looks machined, not grown — and for most of the year, you're not even allowed to drive yourself there. Here's ...