Meteorologists have blamed a meteor for a loud booming noise that shook England's south-west at the weekend.
Former intelligence chief John Ratcliffe claims that the US has evidence of objects moving at extreme speeds.
A space rock created quite the spectacle when it lit up the night sky above Japan's Kanto region recently.
A mysterious diary kept for decades by a Masonic lodge could lead to the whereabouts of 30 tons of Nazi gold.
According to reports, Russia's ambitious new Avangard hypersonic weapon system is now up and running.
Scientists have discovered that plants emit ultrasonic 'squeals' when stressed due to drought or damage.
Scientists have identified 'significant differences' in the brains of the diplomats 'attacked' in Cuba.
Scientists have managed to capture breathtaking images of supersonic shockwaves interacting with one another.
A group of Canadian diplomats has filed a lawsuit after succumbing to the mysterious 'sonic attacks' in Cuba.
The Chinese military reportedly resumed testing of the world's most powerful naval gun earlier this month.
It has been suggested that the mystery sounds heard by US diplomats may have been nothing more than insects.
The highly ambitious Bloodhound SSC has now gone up for sale following a spate of financial difficulties.
The futuristic X-59 will be able to travel at supersonic speeds without producing a deafening sonic boom.
An attempt to build the first car capable of exceeding 1,000mph has hit a major financial roadblock.
According to reports, several US officials have cited Russia as being the main suspect in the investigation.
Scientists now believe that microwave weapons were used in the recent attacks on US diplomats in Havana.
To date, more than two dozen embassy personnel have been affected and nobody has been able to explain why.
A US government employee working in the city of Guangzhou has reportedly experienced similar symptoms.
Scientists may have found an alternative explanation for the strange sounds heard by diplomats in Havana.
The US government is funding a new experimental aircraft known as the Low-Boom Flight Demonstrator.