Scientists Discover Uranus and Neptune Have Different Chemical Histories

• Uranus and Neptune appear similar but have different chemical compositions.
• Neptune is more enriched in oxygen than Uranus.
• Scientists suggest the two planets formed in different regions of the early solar system.
• The findings challenge the notion that Uranus and Neptune are 'twins' in terms of origin.
• An international team of scientists conducted the research by analyzing the planets' atmospheres.