This artist’s impression illustrates the mechanism that could be at the origin of the powerful bursts of X-ray light seen ...

Black hole jets may accelerate and brighten with distance, challenging old models, according to new EHT observations.

04. The expanding black hole optical illusion Optical illusions are always pretty mind-blowing, but not many come close to this one that can show you the future – well almost. Viewers who stare ...

THIS mind-boggling optical illusion is bound to get you scratching your head - especially since only 9% of people can spot the trick. Everyone can see see the iconic painting in black and white ...

Optical illusions challenge our brains, making us perceive things differently. Readers are given five seconds to find the number 23 hidden among 28s, testing their observational skills.

From eye-boggling images to logic-defying illusions that play with the subconscious mind, we’ve gathered five famous optical illusions ... with a black cross in the middle.

Only 9% of people can correctly identify the colours in a black-and-white illusion with ... simply fills in the missing details. Why optical illusions are great for our brain Aside from being ...