The year 2076 is still 51 years away, so if humans wish to peer into Sedna, the work should start today. The window Sedna stays near the Sun would be tiny, so scientists also need to ensure that they ...

The size of the Solar System and the Universe is truly beyond our comprehension. When we think of the vastness of space, we ...

It took over nine years for New Horizons to reach Pluto after blasting off atop an Atlas 5 rocket on Jan. 19, 2006. After ...