Authorities have been left perplexed following reports of a loud boom and a flash of light on Wednesday night.
The voice-activated home assistant has reportedly been laughing out of the blue for no apparent reason.
The final resting place of the US aircraft carrier, which went down during World War II, has finally been located.
Experts have been left perplexed by the unexplained deaths of millions of kangaroos in Australia.
A sea algae boom has been credited with the rise of the first complex life forms in Earth's distant past.
Archaeologists working at the Angkor Wat temple complex have discovered a 12th-century statue.
A family in South Florida were left perplexed this week after their house was hit by bags of frozen meat.
A guest on the Alex Jones Show had suggested that children were being sent to Mars to work as slaves.
New research has revealed that the human brain is a lot more complex than anyone had ever imagined.
Farmers in Switzerland were left perplexed after the animals escaped their pen and leapt to their deaths.
Pupils and staff at Stanford Avenue Elementary were left perplexed by a bout of very strange weather.
Visitors to a popular attraction in Corpus Christi, Texas came across something they did not expect.
The groundbreaking find pushes back the evolution of complex life forms by another 400 million years.
Scientists have found that the South American polka-dot tree frog possesses a rather unique complexion.
Residents were left perplexed this week when the waters of Spain's Valira River turned a strange color.
Michael Robinson was left perplexed after a strange object fell from the sky outside his house.
An enormous venomous snake has been managing to evade capture in an apartment complex in South Africa.
Thousands were left perplexed by the high-altitude aircraft which circled for about an hour on Wednesday.
Olexander Turin went through with the name change in an attempt to win one of the devices in a contest.
Environmental officials have been left perplexed after dozens of grackles appeared to fall ill en masse.