5 (UPI) --On this date in history ... of America building in Tampa, Fla. In 2005, Eris was discovered. It was considered the largest known dwarf planet in the solar system until a year later ...

The number of planets that orbit the sun depends on what you mean by “planet,” and that’s not so easy to define ...

The building blocks of life could have been delivered to solar system dwarf planet Ceres by one or more space rocks from the outer asteroid belt.

The team’s reanalysis finally pinpointed Eris on Jan. 5, 2005. At that time ... others were formally recategorized not as planets but as “dwarf planets” — objects orbiting the Sun that ...

Saturn, Venus, Neptune, Uranus, Jupiter, Mars and Mercury will be visible in an uncommon planetary alignment this month.

January 5, 2005, is an astronomical anniversary that is not really marked but should be. It saw the discovery of dwarf planet Eris and how those very observations led to a new way to describe the ...

The dwarf planet is a bizarre, cryovolcanic world. However, the organic deposits discovered on its surface so far are unlikely to originate from its interior. The organic material found in a few ...

The building blocks of life could have been delivered to Ceres by one or more space rocks from the outer asteroid belt.

Pluto, Eris, Ceres, Makemake, Haumea, and five others meet Brown's "near certainty" criteria - in other words, they're definitely dwarf planets and ... be a factor of ~5 more of those objects ...

5 (UPI) --On this date in history ... the 28th floor of the Bank of America building in Tampa, Fla. In 2005, Eris was discovered. It was considered the largest known dwarf planet in the solar system ...