Wildlife enthusiast Bret Jones had been out filming birds when he noticed something unusual in the sky.
Authorities were left perplexed this week after discovering a carefully dug tunnel outside a Florida bank branch.
A mysterious room in Darwin's former Reserve Bank building has remained firmly locked for decades.
Scientists have discovered the remains of several types of organisms in a lake over 1km beneath the ice.
The enormous circle of ice formed in freezing weather in the Presumpscot River on Tuesday afternoon.
A woman in China made headlines recently after it emerged that she was unable to hear men's voices.
Several people have injured themselves recently while trying to perform common tasks with their eyes covered.
Promising trials in mice have opened up the possibility of improving health and extending life in humans.
Despite global warming, the bottom of the Pacific Ocean is still cooling thanks to a centuries-old cold spell.
Hidden 4,000ft beneath the surface of the ice, Lake Mercer remains a tantalizing target for investigation.
The wreck of a WWII plane found in the English Channel could help to explain what happened to a US serviceman.
The youngster called up the police on Christmas Day because he didn't like the snow pants he'd received.
In January 2015, a young boy who fell through the ice of a frozen lake was revived almost an hour later.
This recently released photograph shows the 60km-wide Korolev Crater in Mars' north polar region.
Six unexpected deaths at the remote Arctic settlement of Gjoa Haven have been attributed to a reawakened curse.
A parrot named Rocco has been driving his owner up the wall by ordering items using Amazon's voice assistant.
Novice hang glider Chris Gursky almost died after his pilot failed to attach his safety harness.
For the first time ever, scientists have found an impact crater beneath one of the Earth's continental ice sheets.
Scientists have used satellite data to map out the terrain hidden beneath the ice of the southernmost continent.
Scientists have converted a regular shop-bought mushroom in to a device that can produce electricity.