Krypton from the Earth's mantle, collected from geologic hot spots in Iceland and the Galapagos Islands, reveals a clearer picture of how our planet formed, according to new research. The findings ...

BOSTON — Bike lock maker Kryptonite struggled to reassure customers and protect its reputation on Friday after the disclosure that its famous U-lock could be opened by a ballpoint pen. Kryptonite said ...

For 80 years, fans have been following the adventures of Superman. The most die-hard fans have followed him across several different mediums. Superman has appeared in print, on the big and small ...

Superman is one of the most powerful superheroes of all time, and he can pretty easily handle most threats on Earth, so DC Comics writers need some ways to weaken him. Kryptonite was the perfect ...

Artist's impression of planets forming around a young star. New, very precise measurements of krypton isotopes from deep in the Earth show that water, carbon and other volatile materials were ...