20
The outline of a bear created in the snow on a canal in Montreal has left a lot of people scratching their heads.
1
Authorities were left perplexed this week after discovering a carefully dug tunnel outside a Florida bank branch.
7
Socks bought at UK fashion retailer Primark recently were found to contain a fragment of human bone.
10
Nora and Jean Muchanic had been walking on a New Jersey beach when they came upon something unusual.
21
A man whose crew allegedly witnessed the plane going down has provided investigators with the co-ordinates.
14
It has been suggested that the mystery sounds heard by US diplomats may have been nothing more than insects.
7
The wreck of a WWII plane found in the English Channel could help to explain what happened to a US serviceman.
9
Four decades ago, multiple UFO sightings were reported over the Kaikoura mountains on South Island.
11
Despite the detection of methane in 2003 and 2014, the latest findings have revealed no evidence of it at all.
8
Social media users were left puzzled recently by a news clip showing a boy who seems to appear from nowhere.
3
A mysterious salamander known as the leopard eel has finally been formally recognized as a new species.
18
A mysterious 'earthquake' rippled around the entire world earlier this month and yet nobody felt a thing.
13
A Boeing NKC-135R was tracked flying over the secretive facility multiple times back on September 20th.
84
The eight-part series, which will star Laurence Fishburne, will re-enact the events of the famous UFO incident.
20
The origin of a flightless bird found only on a remote island in the Atlantic has puzzled scientists for years.
6
Fish farmers have been left devastated following the unexplained deaths of hundreds of thousands of carp.
1
One of Saturn's moons has thrown up a new mystery in the form of oddly straight lines etched in to its surface.
9
French authorities have been hunting for a mystery killer who has so far slaughtered more than 100 pet rabbits.
11
Experts in London have been attempting to decipher the writing on an ancient stone found in the 19th century.
15
A marine resource group has been attempting to identify a strange object that washed ashore earlier this month.