Mauna Kea When you think of the tallest mountains, instinctively, Mount Everest comes to mind. But here's a shocker: Mauna ...

Ngima Nuru Sherpa is small in stature, but he stands tall in the annals of Mount Everest. The 5-foot-7, 150-pound native of Nepal’s Khumbu region has reached the summit of the world’s tallest mountain ...

After decades of study, scientists sound genuinely optimistic about the possibility of detecting primordial black holes, which might explain dark matter.

There are more stars in the universe than grains of sand on Earth. The latest estimates suggest there are around one septillion stars, which is a 1 followed by 24 zeros. Our sun is a typical G-type ...