So why evolve bright warning signals when camouflage could also deter predators? The answer lies in the local predator ...

“For the Japanese, Koyo is not just a visual phenomenon but also an opportunity for quiet contemplation and reflection, and this is something we encourage our guests to embrace also,” Kendra Guild, ...

Medical records of 27 patients were reviewed. They were referred to our neuro-ophthalmic clinic between 2005 and 2010 with unclassified positive visual phenomena. All patients underwent a careful ...

Limited descriptions of simple hallucinations were available, with records primarily referring to onset of ‘positive visual phenomena’. This broad term is used to describe an array of visual ...

When elevated body temperature impairs vision or other MS symptoms, it’s called Uhthoff’s phenomenon. Uhthoff’s occurs because of previous damage to myelinated nerves due to MS. It ...

Ashley, Bert, Connall and Darragh all took place between October and December, meaning the UK has had four straight months without a break from weather phenomena. Residents are now also feeling ...

It is not easy to track the 24 in this image. An optical illusion is a fascinating visual phenomenon where the eyes perceive something that differs from reality. These illusions trick the brain ...

Some of these phenomena involve thousands of miles of travel, booking helicopter trips or winching yourself into a climbing harness. But others—such as March’s “blood moon”—can be seen ...

When Virgin Atlantic Flight 10 took off from New York’s JFK International Airport this week, it was running 1 hour 13 minutes late. But within 23 minutes of takeoff, it was careening over the At ...

have floated the idea of a new federal investigation into UAP—unidentified anomalous phenomena. While we wait for full disclosure, here’s a look at some of the top stories from Ohio’s rich ...