Scientists have solved the mysterious absence of star-shaped dunes from Earth's geological history for the first time, dating one back thousands of years. The study by Aberystwyth University, Birkbeck ...

Season 5 Week 7 of Fortnite has arrived, and with it players have a chance to complete new challenges and earn new gear. This week's challenges culminate in a special treasure hunt, tasking players ...

A mysterious cloud of ultra-hot dust around Kappa Tucanae A may finally have an explanation: a hidden companion star. The star’s extreme orbit carries it straight through the dust zone, strongly ...

Both the town of Niwot and the Niwot Loop are named for the famed Arapaho Chief who welcomed the first settlers in Boulder and was later fatally shot in the Sand Creek Massacre. The trail name — ...