Here’s an image of asteroid (7482) 1994 PC1 during a flyby of Earth in 1997. The space rock appears as a trail due to its…
Our Milky Way’s central black hole flashes unpredictably
This X-ray image of the galactic center merges all of Swift’s observations from 2006 to 2013. Sagittarius A* is in the center. Low energy X-rays…
Growing food in space: the last frontier
Sure, space travel is great, but there’s no shortage of challenges when it comes to space travel and colonization, primarily having enough oxygen, food, and…
What’s next? 7 nascent technologies for 2022
Solar GeoengineeringShe seems childishly simple. If the world gets too hot, why not offer her some shade? Dust and ash released by volcanoes into the…
New Evidence of Gravitational Wave Background Permeating All of Spacetime
If what little we know about gravitational waves is correct, there should be something known as a gravitational wave background, a kind of resonant “buzz”…
We all salute the Ariane 5 rocket, which doubled the life of the Webb telescope
The Ariane 5 rocket, with the James Webb Space Telescope, at its launch site in French Guiana. This weekend there was two surprisingly good news…
Two supermassive black holes discovered relatively close to Earth
Using the Very Large Telescope of the European Southern Observatory (ESO), astronomers have discovered a pair of supermassive black holes 89 million light-years from Earth,…
New theory tries to answer Earth’s greatest mystery
Without the Sun there is no life: scientists start from this overwhelming truth to understand the origins of the biosphere. Among the main mysteries of…
Is time continuous or discrete?
One of the longest running discussions in the history of physics is that which refers to the essential nature of the fabric of reality, the…