Wormholes are a sci-fi trope that everybody has heard of, a swirly (often blue-colored) tube that lets the protagonist jump between large distances or to other worlds. Of course, wormholes of this type are pure …
Black holes have been an object of fascination ever since Einstein predicted them in 1916 using his then newly developed theory of general relativity. We have come a long way since then. Kip Thorne calculated …
Astronomers spend much of their time looking for alien life, some even look for intelligent alien life. There is the SETI program that has been scanning space for signs of alien radio signals since the …
A truly enormous black hole been discovered in the constellation Cetus with a mass equivalent to 40 billion times that of our sun. Put another way, this black hole is so enormous that its mass …
Could life exist on a planet orbiting a supermassive black hole? And if so what would existence on such a planet be like? Jeremy Schnittman, an astrophysicist at the NASA Goddard Space Flight Center in …
This week, the world of astronomy has been abuzz with news of the very first supermassive black hole image. The supermassive black hole is located 55 million light-years away at the center of M87, a …
The image above shows a spectacular display of the Aurora Borealis over Finland. Also known as the Northern Lights, auroras typically occur at latitudes of between 10 and 20 degrees from the geomagnetic poles but …
The image above shows a dramatic example of a green flash, as seen from the Canary Islands. This particular atmospheric optical phenomenon was considered a myth for a long time. These days, the cause of …
The image above shows the Belt of Venus, a rosy-hued band of light between Earth’s shadow and the upper atmosphere that occurs just after sunset, or just before sunrise. However, this atmospheric phenomenon has nothing …
The image above shows an example of a moonbow that appeared over Maui, Hawaii in February 2016. Although moonbows are also commonly known as lunar rainbows, or white rainbows in many parts of the world, …
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