Since the 1990s, astronomers have found a handful of other dwarf planets in the belt, such as Eris and Sedna, along with ...
The Solar System does not have a clear border. The influence of the Sun in certain domains is small enough for the Voyager probes to have escaped into interstellar space, but there are comets and ...
Morning Overview on MSN
Astronomers suspect a hidden giant lurking far beyond Neptune
Astronomers are closing in on what looks like a colossal missing piece of the Solar System, a giant planet that appears to lurk far beyond Neptune and tug subtly on everything around it. The suspected ...
Astronomers used a telescope in Hawaii to find a new object on the outer edges of our solar system, helping to fuel evidence of a long-standing theory about Planet Nine, or Planet X. For years, ...
Add Yahoo as a preferred source to see more of our stories on Google. Digital art of distant planet - Dottedhippo/Getty Images On August 24, 2006, our solar system lost a planet. It wasn't by ...
WASHINGTON — Astronomers have observed a planetary system that challenges current planet formation theories, with a rocky planet that formed beyond the orbits of its gaseous neighbors, possibly after ...
Astronomers have spent the past decade cataloguing thousands of planets beyond the solar system, many of them falling into a strange middle category. .
Some results have been hidden because they may be inaccessible to you
Show inaccessible results