Scientists think Uranus’s moon Ariel once had a hidden ocean beneath its icy shell. The moon’s orbit stretched enough to ...

Evidence points to a long-lost ocean beneath Ariel’s icy crust. Tides and orbit shifts may have cracked its surface billions of years ago. Growing evidence indicates that a deep ocean may lie hidden ...

Jonathan Vacanti sat at his workshop with his tools and patiently scraped away everything that was not a violin. “Violin making is a very old system from the 1500s, so they didn’t have sandpaper, so ...