A ninth planet may exist beyond Neptune in the Kuiper Belt, a region populated by icy bodies that orbit the Sun.

The search for Planet Nine has been on for years. Mysterious pulls in the Kuiper Belt have led scientists to believe a hidden ...

Nine of the 20 carbon reduction measures audited by the Commissioner of the Environment and Sustainable Development were ...

This year is on track to be the world’s hottest on record, with UN boss Antonio Guterres warning humanity was paying the price for “torching the planet”. The World Meteorological Organisation (WMO) ...

This hypothetical Neptune-sized planet would circle our Sun on a highly elongated path, far beyond Pluto. It could have a ...

The search for Planet Nine, a hidden world beyond Neptune, is heating up as scientists prepare to use a powerful new telescope.

While delivering remarks at the Earthshot Prize Awards on Wednesday, Nov. 6, Prince William spoke nine African languages as a sign of respect to a continent he has previously said “has always held a ...

After a decade-long search, some scientists say a growing number of clues point to the existence of a hidden planet in the ...

Ireland head coach Andy Farrell has named a strong matchday 23 to tackle the All Blacks at the Aviva Stadium in Dublin, we select our winners and losers.

The solar system has nine planets, but in 2006 the International Astronomical Union declared Pluto a dwarf planet, making the ...

With recommendations on everything from supplements to early education, here Checklist's top brands for both mother and baby ...

Trump won North Carolinian Jordan Voigt’s vote because she believes he will make life safer for her children by curbing child ...