According to NASA, multi-planet lineups are visible "every few years," but a seven-planet alignment is particularly uncommon, as each planet's orbit varies, with some moving more quickly and Mercury, ...

Brown’s team discovered a dwarf planet, Eris, in January 2005. At the time, it appeared to be larger than Pluto. If Pluto hadn’t been demoted, Brown says, hundreds of celestial objects would ...

Six planets are visible in the night sky right now. On Feb. 28, Mercury will add a seventh planet to the planetary parade. Venus, Mars and Jupiter are 'great naked-eye targets' for beginning ...

How big would our Solar System be if the Sun was an eleven-inch football/soccer ball? Alex and Jonathan set out to find the ...

Pluto isn't alone—it's part of the Kuiper Belt with possibly hundreds of other planet-sized objects. Because Pluto hasn't achieved gravitational dominance in its region, the International ...

“NINTH PLANET DISCOVERED ON EDGE OF SOLAR SYSTEM ... its planetary status and you would have to confer the same honor on Eris, a Kuiper Belt object of about the same size, as well as any ...

George Hampton Middle School student Vincent Chu of Woodbridge won the Prince William Regional Spelling Bee on Tuesday night ...

“NINTH PLANET DISCOVERED ON EDGE OF SOLAR SYSTEM ... Allow little Pluto to keep its planetary status and you would have to confer the same honor on Eris, a Kuiper Belt object of about the same size, ...

Founder, Chairman and CEO of ERI, the nation’s largest fully integrated IT and electronics asset disposition (ITAD) provider and hardware destruction company, has been named to City & ...

It has a ring and a small moon called Weywot. Pluto is a dwarf planet in the Kuiper Belt, a region of our solar system past Neptune. NASA captured stunning image of Eris dwarf planet. It is a dwarf ...