For years, astronomers have been searching for a mysterious ninth planet lurking in the dark outer reaches of our solar ...

“We find that both exhibit strong linearly increasing trends, coupled with a large surge in magnitude between 330 and 220 ...

The image, captured by NASA ’s Mars Odyssey orbiter, is the first of its kind: a volcano on the Red Planet seen on the ...

Well, the verdict is in. The Moon is not made of green cheese after all.