Add Yahoo as a preferred source to see more of our stories on Google. Four-and-a-half months after the James Webb Space Telescope's Christmas Day launch, engineers have achieved near-perfect alignment ...

Stargazers witnessed a rare celestial event on Monday, as Mercury passed directly across the face of the sun. Mercury, the solar system's smallest planet and closest to the sun, won't make the next ...

Prefer Newsweek on Google to see more of our trusted coverage when you search. On Monday and Tuesday next week, the spectacular "Manhattanhenge" phenomenon will be visible from New York City. This ...

See more of our trusted coverage when you search. Prefer Newsweek on Google to see more of our trusted coverage when you search. In the coming days, the sun will set in perfect alignment with ...