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 ...

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

Scientists have proposed two experimental spacecraft that could reach one of the farthest known objects in the solar system ...

' 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 ...

Sedna also shows acetylene (C 2 H 2) and ethylene (C 2 H 4). The abundances correlate with the orbit (most on Sedna, less on Gonggong, least on Quaoar), which is consistent with relative ...

The quest to find hidden worlds. Searching for planets lurking in the frigid edges of our solar system is not a new concept. The so-called Planet Nine, a world 10 times more massive than Earth, is ...