Sedna will reach its closest approach to the Sun in 2076, providing a remarkable space-faring opportunity that won’t come ...

In the outer reaches of our solar system, far beyond the orbit of Pluto, lies Sedna, one of the most mysterious objects ever ...

In the frozen outskirts of the solar system, a reddish dwarf planet orbits in silence. Known as Sedna, it is so distant that ...

Sedna will make its closest approach to the Sun in 2076, giving us a rare opportunity to visit the planetoid before it drifts ...

Greenland's relatively isolated indigenous culture finds itself increasingly exposed to the world just as Trump pushes to ...

How many dwarf planets are there in our solar system? The recent discovery of 2017 OF201 makes the tally anywhere between ...

' Sedna ' is one of the outer solar system objects that may be classified as a dwarf planet in the future. A paper has been published examining whether nuclear propulsion or solar sails would be ...

A team of researchers has outlined how a new "direct fusion drive" propulsion system could allow us to reach Sedna this ...