time travel, parallel universes, and other useful illusions
You probably can’t tell from all the way down here, but Earth is developing a pretty big space debris problem. In fact, Ziggy tells me that, right now, there are at least 17,852 man-made objects floating around up there, and those are just the ones we can track. Start counting the smaller pieces of debris …
Continue reading “Engineers Developing “Self-Eating” Rockets That Don’t Leave A Mess”
Where are all the aliens? asks Russian theoretical physicist Alexander Berezin in his new paper, titled “‘First in, last out’ solution to the Fermi Paradox.” It’s a question we’ve long pondered, and perhaps one of the greatest — in a universe so vast, and with so many seemingly habitable planets, why have we yet to …
Continue reading “If Aliens Are Out There, Maybe They Should Run”
Are we alone in the universe? Is no one else out there, exploring the vast expanse of space? Well, according to a new study, our apparent solitude might have something to do with the gravity on other planets. That is, some alien civilizations may not be able reach the stars at all.
Black holes are weird. Really weird. You just won’t believe how vastly hugely mindbogglingly weird they are. Not convinced? Try this one: Certain black holes are so weird they might actually obliterate your past if you journey into one.
Elon Musk launched a car into space the other day.
NASA’s Jet Propulsion Laboratory intends to send a probe 4.4 light-years away to our nearest star system neighbor, Alpha Centauri, by the year 2069.
For hundreds of millions of years, an unusual object has traversed the Milky Way Galaxy, heading straight for us.