Edinburgh, August 11 : American law enforcement agencies have expressed fear that US presidential candidate Barack Obama will be the target of a violent attack by white supremacists at the Democratic convention in Denver this month.

According to a report in the Scotsman, the concern for Obama''s security is because of racist threats made against him by neo-Nazis, the Ku Klux Klan and similar groups, since the Senator for Illinois emerged as the likely Democratic presidential candidate.

Edinburgh, July 21 : The North Star has thrown astronomers into confusion with some unexpected activity that indicates it is not as constant as previously thought.

Edinburgh, July 20 : Archaeologists have uncovered the remains of a massive stone tower which could have been the biggest Iron Age building on Orkney, an archipelago in northern Scotland.

According to a report in the Scotsman, the structure, which has been uncovered at the Cairns, South Ronaldsay, was created around 2,500 years ago and would have been about 70ft wide.

The three-week dig has revealed a complex of buildings, with the remains of the stone tower, or broch, at the centre.

On the outside, the tower would have been around 70 feet wide – bigger than Orkney''s best preserved brochs at Gurness in Evie and Midhowe in Rousay. 

Edinburgh, July 14: Paleontologists have found near-identical dinosaur footprints dating back to 165 million years in Skye’s Trotternish peninsula in Scotland and the arid plains of Wyoming in the US, which suggests that the prehistoric creatures roamed the same landscape before the continents drifted apart and the Atlantic Ocean was formed.

According to a report in the Scotsman, dinosaur expert Dr Neil Clark of Glasgow’s Hunterian Museum believes that the two areas have compelling prehistoric connections.

“The dinosaur footprints in Red Gulch are very similar to those found near Staffin on Skye. They are both of exactly the same age,” said Clark.

Edinburgh, June 25 : Captain Eric "Winkle" Brown's tales of daring read like a Boy's Own adventure.

Edinburgh, June 18 : A mysterious crop circle that emerged overnight in a barley field in England has baffled scientists, as it depicts the mathematical formula pi.