Immerse yourself in the natural and cultural wonders of South Africa, captured in crystal-clear 4K resolution. This stunning visual journey includes coastal cliffs, wildlife safaris, city scenes, and ...

For centuries, humans have lived underground. Today, that ancient practice is under dire threat—even as cave life makes more ...

For the first time, astronomers have obtained visual evidence that a star met its end by detonating twice. By studying the centuries-old remains of supernova SNR 0509-67.5 with the European Southern ...

Schools were partially shut in France, iconic monuments closed to tourists, and cities across Europe put on high alert as a ...

Almost three quarters of the globe's cultural and natural heritage sites are threatened by too little or too much water, ...