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Space ExplorationChina’s deep-space ambitions
Science , Solar SystemHow life on Earth will end: This Week in Astronomy with Dave Eicher
Robotic Spaceflight , Science , Space ExplorationRemembering Stardust, the craft that traveled billions of miles and returned with extraterrestrial cargo
Exotic Objects , ScienceThe 2nd photo of the M87 black hole is stunning, and more than a pretty picture
Picture of the Day
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The Blue Horsehead
Don Spencer, taken from Tierra Del Sol, California
The most famous Horsehead in the galaxy may be in Orion, but in Scorpius lies the Blue Horsehead Nebula (IC 4592), a reflection nebula lit up by the star Nu (ν) Scorpii, some 470 light-years away. This image was taken with a 2.4-inch Petzval refractor and a one-shot color camera.
In the Sky
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ObservingThe Sky This Week from February 2 to 9: A last look at Mercury
February 2024
Top 10 space stories of 2023 Build a simple solar viewer for the eclipse China’s deep-space ambitions Exploring Turkey’s dark-sky delights SubscribeLatest News
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Observing , Science , The Moon2024 Full Moon calendar: Dates, times, types, and names
Robotic Spaceflight , Science , Space ExplorationRemembering Stardust, the craft that traveled billions of miles and returned with extraterrestrial cargo
Exotic Objects , ScienceThe 2nd photo of the M87 black hole is stunning, and more than a pretty picture
Human Spaceflight , Robotic Spaceflight , ScienceStudying lake deposits could give scientists insight into ancient traces of life on Mars
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