Astronomers have found a compact solar system whose planets line up in a way that, according to current models, should not be possible. Around the small star LHS 1903, a dense rocky world orbits on ...

'LHS 1903 breaks this thinking.' ...

A planetary system 116 light-years from Earth has a peculiar pattern. It could flip the script on how planets form, ...

Astronomers have found a distant world that challenges planetary formation theory, with a rocky planet where gas giants should be.

On 28 February, six of the planets in our solar system will line up, in what is sometimes called a 'planetary parade'. Find out everything you need to know here.

Celestial spectacle will be at its most impressive on 28 February, when Mercury, Venus, Jupiter, Saturn, Uranus and Neptune will align across the sky ...

Add Yahoo as a preferred source to see more of our stories on Google. An illustration showing Planet Nine, a hypothetical, undiscovered planet in our solar system. New research now suggests the ...

A planet parade is basically the nickname given when the planets in our solar system appear to line up in a roughly straight line from the Earth’s perspective. Just after sunset on 28 February, six of ...

ELMIRA, N.Y. (WETM)- Several planets will line up shortly after sunset, on February 28, during a planetary alignment. Six planets will be visible during this event, and four of the planets will be ...