Starting at least 7,000 years ago, prehistoric humans in the Arabian Desert used the Umm Jirsan cave as shelter from the blistering heat of the arid landscape above.Green Arabia ProjectResearchers deep within the Umm Jirsan cave structure.
Northern Arabia’s place in the development and evolution of prehistoric humankind has been well documented, but certain aspects of life in the region have long eluded researchers. This is largely because organic remains are not easily preserved for thousands of years in such arid desert regions. Read More...
While moonmoon is the Internet's favorite title, other names like "submoon," "moonlet," and "moonito" have all been suggested.Rebeeca Naden/Reuters/Illustration by QuartzA fake depiction of a moonmoon.
In 2014, one astronomer’s son asked her a tough question: Can moons have their own moon? She was stumped and decided to dedicate the next few years of her professional life to answering that very question.
That astronomer was Juna Kollmeier of the Carnegie Institution Observatories, and alongside fellow astronomer Sean Raymond from the University of Bordeaux, she studied these “submoons” and recently published their findings in a paper on arXiv. Read More...
He was attempting to raise awareness for a future parachuting feat – but he ended up getting more publicity than he bargained for. YouTubeGeorge Hopkins standing with Devils Tower in the background.
On Oct. 1, 1941, news crews descended upon Devils Tower National Monument. The 1,200-foot monolith in northeastern Wyoming was known for attracting visitors, but this time it wasn’t the rock formation that everyone was there to see — it was the stranded man on top. Read More...
