For years, astronomers have searched for the origins of ultra-high-energy cosmic rays, the most powerful particles in the universe. These energetic travelers move at nearly the speed of light, packing ...

Could lumpy metallic rocks in the deepest, darkest reaches of the ocean be making oxygen in the absence of sunlight?

Follow its development and take a peek at what's ahead with the Mysteries of Deep Space interactive timeline. Simply click on the highlighted links in the text below to learn more about each event ...

The universe is ballooning outward at an ever-faster clip under the power of an unknown force dubbed dark energy. One of the ...

The team, including PhD candidate Allison Payne, has discovered they can use the seals as scientific sentinels, to help humans better understand the conditions of the dark deep sea. The research ...