Mysterious 'catastrophe' turned this nursery into a graveyard 500 million years ago

4 recent scientific discoveries that show how humans are still learning basic facts about planet Earth after 300,000 years.

World's largest radio telescope to be built after almost 30 years of planning

“Problematic Stuff” – Tradition of Keeping Mementos in Memory of Loved Ones Goes Back at Least 2,000 Years