Take advantage of a special 6-7 planet alignment from Earth's perspective. Planets 'line up' in the skies over California in ...

For this, astronomers used two facilities: the Submillimeter Array (SMA), CfA's eight-dish collection of radio telescopes in ...

Pluto isn't alone—it's part of the Kuiper Belt with possibly hundreds of other planet-sized objects. Because Pluto hasn't ...

Why is Pluto no longer a planet? Discover the real reason behind Pluto’s reclassification as a dwarf planet and the science that led to this change.

For the first time, astronomers have imaged dozens of belts around nearby stars where comets and tiny pebbles within them are ...

Scientists at NASA for the first time have been able to observe the make up of Pluto and other small and icy celestial bodies ...

This provides another piece of the puzzle to understand how planets and ... compositional data of primitive bodies like Kuiper Belt objects, asteroids and comets with new solar data sets ...

Scientists believe that two asteroids might be fragments of long-lost "planetary embryos" from the early solar system.

Harvard and Smithsonian (CfA), and its Submillimeter Array (SMA), were critical for identifying a cache of belts surrounding other stars beyond the sun where comets may reside. Regions around 74 stars ...