The cosmos has captivated human imagination for millennia, prompting questions about its vastness and potential boundaries. As we gaze into the night sky, it’s natural to wonder : what does the edge of the Universe look like ? This inquiry has driven scientific exploration and theoretical physics to new heights, challenging our understanding of cosmic limits. …

Footprints dating back 1.5 million years made by two different species of human ancestors have been found at the same spot—a fossil first—and the individuals likely passed within an hour from each other. More than a million years ago, on a hot savannah teeming with wildlife near the shore of what would someday become Lake…

Researchers believe they have found possible evidence that polar bears lived in Scotland during the last ice age. Scientists previously suspected some of the remains found deep in Inchnadamph's ancient Bone Caves belonged to the animals. Experts from National Museums Scotland and universities of Aberdeen and Edinburgh re-evaluated fossils collected from the area of limestone…