In a path-breaking discovery, scientists have spotted the largest-ever planet-forming disk - officially called IRAS 23077+6707 - nearly 1,000 light-years away from Earth. When the scientists ...

"Our observations led to the serendipitous discovery of a surprisingly large disk galaxy in our field," he says. "This galaxy, dubbed the 'Big Wheel' has an optical radius of around 10 kpc ...

Discovered in 1999 inside an abandoned mine in Southern Spain, Pulpí Geode is the largest crystal 'cave' of its kind in the world. But what exactly is a geode and how do crystals form inside them?