Scientists are finding so many moons of the solar system’s giant planets that they can hardly...
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Stars come in a whole spectrum of colors, from icy blue to deep red. But our eyes can see the...
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Planetary scientists may see many descriptions this week that are similar to this one: Return to...
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Sometimes, you can have too much of a good thing. That was the case with a constellation that was...
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The Moon is nowhere in sight the next couple of days. That’s because it’s new — it crosses...
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The Big Dipper is on the move. Not just its nightly circle around the North Star. And not even...
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The Sun is building toward the peak of its magnetic cycle, probably sometime this year. That’s...
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A nearby star has one of the largest families of planets yet seen — an even half-dozen. Only two...
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Descriptions of the Coma Cluster of galaxies sound like bad car-dealership commercials. The...
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A sprinkling of faint stars stands in the east a few hours after sunset right now. It’s to the...
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All stars are big balls of glowing gas, powered by nuclear fusion. But stars come in many...
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The night sky plays tricks. Objects that appear close together in the sky can actually be far...
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Many bright stars highlight the sky this evening: Sirius, the brightest of them all; Regulus, the...
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The remaining dates of 2024 will take a big leap. They’ll jump over a day of the week. That’s...
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Depictions of the sky have been found on walls and ceilings that date back thousands of years....
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When you’re headed toward the Moon or planets, there are no signposts to keep you on the right...
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Sirius, the brightest star in the night sky, is in the south at nightfall. If you keep your eye...
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The brightest star of Orion stands due south at nightfall, marking one of the hunter’s feet....
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Since the dawn of the Space Age, in 1957, the United States and other countries have sent tens of...
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The United States and China plan to build permanent bases on the Moon. For the people who inhabit...
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