The planets in order from the Sun are Mercury, Venus, Earth, Mars, Jupiter, Saturn, Uranus, and Neptune. If you include the ...

Rocky bodies called protoplanets were thought to have formed slightly earlier in the inner solar system than those beyond the ...

ESA's Mars Express orbiter captured footage of the Mars' moon Deimos pass in front of Ganymede, Europa, Jupiter, Io and ...

Mars shines in the evening, and is joined briefly by Mercury. Jupiter joins Venus as the month goes on. And all month, look ...

The second half of the 19th century was a particularly interesting time to imagine Mars. This was a period during which the ...

While Jupiter’s aurorae have been studied for decades, scientists have also just made a groundbreaking discovery on Mars: the first-ever detection of visible-wavelength aurora from a planetary ...

Saturn, Mercury, Neptune, Venus, Uranus, Jupiter and Mars are visible in the night sky right now. On Feb. 28, Mercury will join them, adding a seventh planet to the planetary parade.

Mars is distinctly reddish, rosey or peach color, down to the lower left of Jupiter. It’s the third-brightest planet, but the star Sirius is slightly brighter.

As of January 21, Mars was situated in the constellation Gemini near the eastern horizon, Jupiter was in Taurus, Uranus in Aries, Neptune in Pisces, and Saturn and Venus were both in Aquarius.

Venus, Mars, Jupiter, and Saturn will create a sweeping vista for the naked eye, but you’ll need a telescope or a pair of high-powered binocs to catch sight of Neptune and Uranus.

Venus, Mars, Jupiter and Saturn will be the easiest to spot. Uranus and Neptune also are part of the so-called alignment but will only be visible using a telescope.

NASA, ESA, CSA, Jupiter ERS Team/NYT A triple dose of celestial wonder is in the stars this week as Jupiter, Mars and the moon line up for a rare captivating display in the night sky.