Scouring old data from NASA’s Cassini mission revealed puzzling atmospheric stripes that could help probe Saturn’s icy moon.
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Space News & Blog Articles
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New James Webb Space Telescope observations of the third world in the seven-planet TRAPPIST-1 system rule out a variety of atmospheres.
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Saturn glows through the evening near the Andromegasus Dipper. Venus and Jupiter, drawing apart, still light the dawn dramatically. The Moon joins them.
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Astronomers at the South African MeerKAT observatory have discovered the most distant flash of radio waves to date, most likely stemming from activity around a magnetar.
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Chaotic turbulence in primordial clouds of gas may have prevented the formation of extremely massive stars, according to new simulations by Taiwanese astronomers. The early universe consisted primarily of hydrogen […]
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Set an alarm and take a peek east in early dawn to follow Venus and Jupiter through their spectacular conjunction this week.
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Direct images from the James Webb Space Telescope show what could be a Saturn-mass planet around Alpha Centauri.
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Sure, the Moon will be a problem. But clouds are worse. Don't miss one of the best meteor showers of the year.
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Even today, the names of women in astronomy are not as well known as they should be.
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Sky & Telescope Associate Editor Sean Walker and Contributing Editor Stephen James O’Meara accompanied nine adventurers on a stargazing safari for an immersive experience in the African bush in Botswana.
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The waxing gibbous Moon of August haunts the low south. Venus and Jupiter draw toward a spectacular conjunction in early dawn.
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Find out “what’s up” in the August sky. We’ll track down four planets before dawn; have some fun with New Moons; peek at some Perseids; and gaze at the center of our galaxy. So load up on the bug juice, and come along on this month’s Sky Tour.
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The International Astronomical Union has recommended brightness limits for satellites, but companies aren't abiding by them.
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Observations have revealed the comet’s fuzzy coma, hinted at a weird tail, and suggested an ancient history. Plus, some missions might keep observing the interstellar comet when it ducks behind the Sun.
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The House and Senate bill drafts keep NASA near current funding levels, but the Trump administration is prematurely readying the agency for heavy cuts
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A new image from the Gemini Observatory might show a stellar companion to Betelgeuse, but the discovery is tentative.
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The newly waxing Moon passes Mars low in the west, then Spica and Antares while growing more robust. At dawn, Jupiter heads toward Venus.
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NASA’s TRACERS spacecraft will look at the snap of magnetic field lines at the boundary between the solar wind and Earth's magnetic field.
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Astronomers have found a baby system that’s just beginning to build planets — and it can tell us about how and where planet formation starts.
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Meteor-watchers will be busy this month and next. Not only are the Southern Delta Aquariids peaking soon, but they get a boost from additional minor showers.
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More than 200 planets in the TESS catalogs may be bigger than originally estimated — putting initially Earth-size planets into the super-Earth category.
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