A study of comet motions indicates that the Solar System has a second alignment plane. Analytical investigation of the orbits of long-period comets shows that the aphelia of the comets, the point ...

See more of our trusted coverage when you search. Prefer Newsweek on Google to see more of our trusted coverage when you search. Six of our cosmic neighbors are expected to line up across the night ...

Did you miss the last planetary parade in June? The next planetary alignment is this weekend. Here's when to watch it ...

INDIANA, USA — Look up in mid-January just after sunset and you'll see a six-planet alignment: Four with your naked eye and two with a telescope. It's a six-planet parade! Tap HERE to track clouds for ...