A newly identified dwarf planet, named 2017 OF201, has been discovered in the distant outer reaches of the solar system.

The object is about 700 kilometres wide and lies nearly three times farther from Earth than Neptune. Its highly elongated ...

Scientists say it’s important to research geoengineering – large-scale attempts to cool the planet to fight climate change – ...

The TNO, which are described as minor planets that orbit the sun at a greater distance than Neptune, were found on the edge ...

As it orbits the sun once every 25,000 years, the celestial body 2017 OF201 travels beyond the Kuiper Belt into a region ...

A small team led by Sihao Cheng, Martin A. and Helen Chooljian Member in the Institute for Advanced Study's School of Natural Sciences, has discovered an extraordinary trans-Neptunian object (TNO), ...

Space enthusiasts and families across the U.K. will have the chance to contribute directly to climate science through an ...

New science indicates that Mars' core formed rapidly. The evidence puts it at just a few million years after the solar system ...

The unusual orbit of a possible dwarf planet, known as 2017 OF201, makes it less likely that our solar system contains a ...

Find out where it will be unusually hot, humid, wet and sunny — and what parts of the country might see drought intensify.

Penguin droppings release ammonia that forms clouds, affecting Antarctica's climate and potentially slowing warming.

It might or might not be the smell of aliens, but dimethyl sulfide — and its funky odor — definitely gets around ...