An asteroid the size of a sports stadium was hurdling towards the Earth this week and will be joined by four other celestial near-misses, with the largest expected to pass within less than 2 million ...

See more of our trusted coverage when you search. Prefer Newsweek on Google to see more of our trusted coverage when you search. An asteroid the size of a school bus is due to zip past our planet on ...

Astronomers are closing in on what looks like a rare prize: a world almost the size of Earth, circling a Sun-like star at a distance that gives it a familiar, year-long orbit. The candidate, known as ...

Although the discrepancy is not large, it is significant: Geodesists from the University of Bonn have remeasured the size of the Earth in a long lasting international cooperation project. The blue ...