11
A series of volcanic eruptions in North America once triggered widespread disaster across Europe.
21
The South American insect measures 2.5cm long and delivers an agonizing bite that hurts for up to a day.
106
An American airman has received compensation after suffering radiation poisoning during the encounter.
73
Legends of a huge bird have been an integral part of American Midwest culture for centuries.
20
The strange burning object was sighted by multiple witnesses across two countries earlier this month.
16
A leak in the American part of the station has forced the crew to take refuge in the Russian section.
14
The American firm has been attempting to develop rocket parts that can be returned to Earth and reused.
5
Palaeontologists have identified a rabbit-sized horned dinosaur that was a relative of Triceratops.
21
A cross between coyotes and wolves has been taking over in some areas of the United States.
33
Researchers in America have linked the 1933 movie with the first modern Loch Ness Monster sightings.
147
As much as half of the population of the United States believes in at least one conspiracy theory.
38
The US will no longer have access to the station after 2020 as Russia responds to Ukraine sanctions.
17
The states of Vermont, Arizona and Maine were home to the most sightings per capita last year.
95
A bizarre news report from Iran's Fars News Agency has claimed that America is run by extraterrestrials.
37
A demonic infant in a pram has been terrorizing people in the streets of America's largest city.
136
The new show, '10 Million Dollar Bigfoot Bounty', offers a hefty cash prize for irrefutable evidence.
7
The American space agency has revealed that it has been developing a 6ft robot known as Valkyrie.
6
New research has suggested that a flood may have brought about the demise of the ancient American city.
125
A recent poll indicated that up to half of Americans believe that some UFOs are alien in origin.