A conjunction of Venus and Saturn
Venus and Saturn meet above the Moon in the upper left of this image, taken in January 2016. This week, ...
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Watch the Full Moon cover Mars on Monday
Back to Article List This event won’t be visible in the U.S. again until 2035. This sequence of images shows ...
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The Sky This Week from January 10 to 17: Mars reaches opposition
Mars reached opposition on October 13, 2020, when this photographer imaged it from Houston, Texas. This year, Mars reaches opposition ...
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Explore the constellation Cassiopeia
Cassiopeia and its distinctive W-shaped asterism rise above the erupting volcano Mount Etna on the island of Sicily, Italy. Credit: ...
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Earth’s closest approach to the Sun
The Sun sets over the Pacific Ocean in this stunning shot taken from the International Space Station. Earth reaches perihelion, ...
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When to see the Full Moon and phases
The phenomenon of a Full Moon arises when our planet, Earth, is precisely sandwiched between the Sun and the Moon. ...
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What’s in the sky this month? The Moon occults Mars and the Pleiades, plus Mars reaches opposition
A composite shows the Dec. 7, 2022, occultation of Mars by the Moon. Although the time-lapse image makes it look ...
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The Quadrantid meteor shower peaks
An all-sky camera at NASA’s Marshall Space Flight Center in Hunstville, Alabama, caught this meteor streaking overhead in January 2012. ...
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The ‘drones’ over New Jersey are almost certainly not aliens
Back to Article List Anyone tempted to ascribe the nighttime sightings of aircraft to alien intelligence ought to be dissuaded ...
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The Sky This Week from December 20 to 27: Welcome the winter solstice
Friday, December 20Now that the evening sky is Moon-free, it’s time to aim for fainter targets, including 12th-magnitude Comet 333P/LINEAR. ...
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