NASA's Perseverance rover has discovered a haunting rock formation on Mars that looks unsettlingly like a skull. Dubbed "Skull Hill," the jet-black outcrop is so bizarre and out of place that even ...

"This gives us a maximum timeframe of 35 years for this rock formation, well within the course of a single human lifetime.

Scientists have made a surprising discovery about the formation of rock. It seems that industrial waste known as slag that is ...