In 2016, astronomers published a study suggesting a ninth planet could be hiding on the edge of our Solar System. Eight years later, they're still looking for it. So what will it take to find it?
Scientists say they have found evidence of an unknown planet in our solar system independent.co.uk - get the latest breaking news, showbiz & celebrity photos, sport news & rumours, viral videos and top stories from independent.co.uk Daily Mail and Mail on Sunday newspapers.
Scientists say they have found evidence of an unknown planet in our solar system aol.com - get the latest breaking news, showbiz & celebrity photos, sport news & rumours, viral videos and top stories from aol.com Daily Mail and Mail on Sunday newspapers.
Searching for "Planet 9" – the research team publishes new data thewestonforum.com - get the latest breaking news, showbiz & celebrity photos, sport news & rumours, viral videos and top stories from thewestonforum.com Daily Mail and Mail on Sunday newspapers.
SpaceX rocket launches on record-setting 15th mission, lands on ... inferse.com - get the latest breaking news, showbiz & celebrity photos, sport news & rumours, viral videos and top stories from inferse.com Daily Mail and Mail on Sunday newspapers.
'Earth-like' Planet Nine could be hiding behind Neptune: Study | MorungExpress morungexpress.com - get the latest breaking news, showbiz & celebrity photos, sport news & rumours, viral videos and top stories from morungexpress.com Daily Mail and Mail on Sunday newspapers.