The star CD-35 2722 (left) glows in the distance, casting light on the brown dwarf CD-35 2722...
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Michael Faraday was completely self-taught, reading voraciously and attending public science lectures. Credit: Maull and Polyblank/Public domain...
Riccardo Maffioli from Albizzate, Varese, Italy The Soap Bubble Nebula (PN G75.5+1.7 or PN Ju 1), a...
Looking for a sky event this week? Check out our full Sky This Week column. September 21: Saturn passes...
A Falcon 9 rocket climbs away from Vandenberg Space Force Base during a Starlink launch in March...
Credit: Dark Energy Survey/DOE/FNAL/DECam/CTIO/NOIRLab/NSF/AURA Credit: Dark Energy Survey/DOE/FNAL/DECam/CTIO/NOIRLab/NSF/AURA The galaxy you see here has an identity crisis....
The Nancy Grace Roman Space Telescope, currently expected to launch in late summer 2026, will use gravitational...
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Mariner 10 made three flybys of Mercury, which is shown here in an enhanced-color image from NASA’s...
An interloper “enters” the saturnian system overnight on September 21/22, as Titan passes close to a field...
Supernova 2016gkg (indicated by red bars) is in the spiral galaxy NGC 613, located 70 million to...
Juno is skimming through a relatively sparse star field, but there are some nearby background stars to...
Today, the Green Bank Observatory remains a key site in the search for extraterrestrial intelligence (SETI) --...
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Mars lies just a few degrees south of Pollux, one of the heads of Gemini the Twins,...
Gerald Rhemann, taken from Farm Tivoli, Namibia Comet 220P/McNaught, a Jupiter-family comet on a 5.5-year orbit, appears...
NGC 7243 is a rich open cluster located in Lacerta the Lizard. Credit: Egres73/Wikimedia Commons (CC BY-SA...
Friday, September 18First Quarter Moon occurs at 4:44 P.M. EDT. The Moon then reaches apogee, the farthest...
Mimas’ largest crater is named Herschel Crater, in its discoverer’s honor. Credit: NASA/JPL/Space Science Institute With 293...
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The crescent Moon visits ruby-red Antares, the heart of the Scorpion, after sunset on the 17th. Can...