Astronomers say they spotted signs of a giant explosion releasing from a star beyond our solar system, one powerful enough to destroy a planet’s atmosphere.

Scientists have observed for the first time the very early stages of a supernova, with a massive star exploding in a distinctive olive-like shape.

But most of the gold on Earth isn’t in our hands; it’s deep underground. During the planet’s formation, heavy elements like ...

This striking satellite image shows the stark difference between a giant field of sandy "stars" and a barren rocky wilderness in the Sahara Desert. The contrasting biomes also overlap with the border ...