Earth had a close brush with a large “city-killer” asteroid on July 25, when a pyramid-sized rock whizzed by at less than one-fifth the distance to the Moon at nearly 25 km per second (15.5 miles per second). While not big enough to be a civilization ender, this asteroid hadread more
We’re all familiar with the concept of parallel realities: universes much like our own, but impossibly out of reach when it comes to communicating with them—or at least so it would seem. A series of experiments has been scheduled to be run this summer to see if a mere handfulread more
Another sizable asteroid has made a close pass to Earth on May 15, making 2010 WC9 the 35th object to pass within one lunar distance in 2018 alone, and the 17th to have passed within one-half of the distance between the Earth and the Moon. Thankfully, this object wasn’t big enough–or traveling fast enough for that matter–to cause any major damage to the Earth if it had actually hit us. But what is up with the increased number of asteroids making close passes to our little blue home?
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