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Help astronomers look for Planet 9
There might be an unknown 9th planet that orbits far from Earth, on the outer fringes of our solar system. You can help astronomers find it, if it exists!
February 20, 2017
Venus green flash
To see a green flash of Venus, you need a very clear day with no haze or cloud low in the sky, a distant horizon (preferably a sea horizon) and a telescope! Photo by Colin Legg.
February 20, 2017
Michigan sun halo
Walter Elliot captured this enormous sun halo over Grand Haven, Michigan on February 16, 2017.
February 19, 2017
Moon, Saturn, Antares early Monday
If you see them, notice the colors of Saturn and Antares. Saturn is golden, and the star, Antares, is reddish. Plus you might notice Antares twinkling, while Saturn shines steadily!
February 19, 2017
Skies after Tropical Storm Dineo
The storm made landfall near Mozambique in southeast Africa this week, causing at least 7 deaths. Hundreds of miles away, Peter Lowenstein captured strange and shifting skies.
February 18, 2017
Moon, Antares, Saturn early Sunday
Late tonight - February 18, 2017 - or before dawn Sunday, look for planet Saturn and star Antares close to the wide waning moon.
February 18, 2017
Watch SpaceX Dragon launch February 18
SpaceX is scheduled to launch its Dragon spacecraft resupply mission to the International Space Station no earlier than 10:01 a.m. EST (1501 UTC) on Saturday, February 18. How to watch.
February 17, 2017
Toxic pollutants persist in deepest ocean
Banned chemicals from the 1970s have been discovered in the bodies of crustaceans in the deepest of Earth’s ocean trenches.
February 16, 2017
Venus brightest around February 16
Venus is brighter around February 16-17, 2017 than at any other time during its ongoing, approximate, 9.6-month reign in the evening sky.
February 16, 2017
