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See it! Dance of planets before dawn
Mars emerged before dawn last week, to meet Mercury below bright Venus. And then the moon passed through. Thanks to all who submitted photos!
September 19, 2017
Dust devils on Earth and Mars
Researchers spent 5 years studying dust devils in earthly deserts. They said their research has implications for climate and weather on both Earth and Mars and for human health.
September 18, 2017
How to see binocular comet C/2017 O1
This faint comet reaches perihelion, its closest point to the sun, on October 14. It’ll be closest to Earth on October 18, passing distantly at about 67 million miles (108 million km).
September 18, 2017
Astronomers find a pitch-black planet
Exoplanet WASP-12b has the unique capability to trap 94 percent of the visible starlight falling into its atmosphere. The result is a world as black as fresh asphalt.
September 17, 2017
Humans are still evolving, say scientists
Scientists have identified genetic variants less common in older people than younger people. They say it's natural selection at work, continuing to weed out disadvantageous traits.
September 17, 2017
Occultations galore September 18 2017
It'll be the first time since 2008 that the moon occults - or covers over - 3 planets in less than a day. For good measure, the moon also occults a bright star, Regulus.
September 17, 2017
Venus’ mysterious night side revealed
Researchers using Venus Express spacecraft data report "stationary waves" and slowly moving features in the planet's upper clouds, during Venus' long and mysterious night.
September 16, 2017
Outer space
"I'm a daydreamer and a nightthinker," wrote photographer Manuel Dietrich.
September 16, 2017
