ARCHIVAL VIDEO: Astronomers Demote Pluto in 2006
Clyde Tombaugh's 1930 discovery is reclassified as a dwarf planet after much scientific debate.
Indian Wells CEO lauds 'attractive' players in WTA
Indian Wells CEO Raymond Moore said that women players ride the coattails of the men in comments before Serena Williams met Victoria Azarenka in the finals of the BNP Paribas Open on Sunday. Later, he apologized, but not before Williams had a chance to react. "I think the WTA [Women's Tennis
‘Fireball Meteor’ Caught on Camera in Virginia and Ohio
A number of witnesses across the Northeast U.S. observed a fireball, otherwise known as a very bright meteor, flying through the sky at approximately 6:16 p.m. Saturday evening. Alex Salvador was driving in Falls Church, Virginia, when he spotted the fireball and was able capture it on his dashcam.
Five Brightest Planets Will Line Up Like a String of Pearls in Pre-Dawn Sky
Get ready for a glimpse of our neighbors in the solar system. Five bright planets -- Mercury, Venus , Saturn , Mars and Jupiter -- will be visible just before sunrise beginning Jan. 20. The planetary spectacle is expected to last for the next month -- and the best part is, people hoping to get a
Five-Planet Treat Coming for Skywatchers
Mercury, Venus, Saturn, Mars and Jupiter will align tomorrow for the first time in more than a decade.
3 Planets Align in Rare Sky Show
The eastern sky plays host this week to a cosmic show that hasn't been seen in two years and won't be seen again for another five years. Stargazers can catch Venus , Jupiter and Mars in what is called a planetary trio -- any grouping of three planets inside a circle with a 5 degree diameter, or the
Mercury Rising: When to Catch a Glimpse of the Elusive Planet
The elusive Mercury is making a showing in the early morning sky this month. Sky gazers who wake up before sunrise will be able to catch a glimpse of Mercury. The planet nearest the sun will appear on the eastern horizon around 90 minutes before sunrise, according to EarthSky.org , and will be
Jupiter, Venus Pull Off Spectacle in Night Sky
Venus and Jupiter pulled off a grand spectacle in the night sky. Both bright planets appeared to glide closer together over the month of June in a conjunction NASA called the "best backyard sky show of 2015." The planets have been slowly getting closer to each other over the past few weeks. Tuesday
MESSENGER Unlocks Mystery of Mercury's Ancient Magnetic Field
The mysteries of Mercury, the planet closest to the sun, are continuing to be unraveled even after the probe smashed into the planet last month. Before it ran out of fuel and made its fatal plunge into Mercury, MESSENGER flew close to the planet and used its magnometer to collect information about