All articles
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Science & Discovery
What a fleet of telescopes learned from our third interstellar visitor
The interstellar comet 3I/ATLAS has been probed across the spectrum — Webb found methane, ALMA found water unlike any local comet's, and X-ray observatories caught it glowing. A SETI search for technosignatures came up empty.
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Commercial
A robot is about to grab an aging NASA telescope and push it higher
Northrop Grumman's Pegasus XL will loft a Katalyst robotic spacecraft to boost the decaying orbit of NASA's Swift Observatory — a real-world test of commercial satellite servicing on a working science mission.
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NASA & Agencies
After 11 years mapping how Mars lost its air, MAVEN goes silent
NASA has declared its MAVEN orbiter unrecoverable after a December anomaly. The mission rewrote our understanding of how Mars lost its atmosphere — and leaves a record of more than 800 papers behind it.
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Missions
NASA is about to name its next Artemis crew
On June 9, NASA names the astronauts for Artemis III. Under the agency's current plan it is a demonstration mission, not the landing itself — the first crewed surface landing is now Artemis IV, targeted for early 2028.
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Astronomy
NASA's next great observatory, Roman, gets an August launch date
The Nancy Grace Roman Space Telescope is now set to launch August 30 on a Falcon Heavy — ahead of schedule and under budget. Its wide-field infrared survey could catalogue around 100,000 exoplanets.
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Astronomy
A giant galaxy that doesn't spin is forcing a rethink of how they form
Webb found a massive galaxy from less than two billion years after the Big Bang whose stars move at random, with no rotation at all — a 'slow rotator' that theory says should not exist so early.
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Science & Discovery
A nearby dwarf galaxy is a blueprint for the universe's first dust
Webb found unexpected dust-making in Sextans A, a chemically primitive dwarf galaxy — evidence that the earliest galaxies could forge solid grains by pathways unlike those that dominate today.
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Science & Discovery
Saturn's wandering spin was never real — Webb found the culprit
For decades Saturn appeared to change its rotation rate, which should be impossible. Using Webb, researchers showed the 'change' was aurora-driven winds distorting the measurement — a planetary heat pump feeding itself.
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Astronomy
On this hot Jupiter, rock clouds form by morning and burn off by night
Webb resolved the day–night weather of WASP-94A b, a gas giant 700 light-years away: magnesium-silicate clouds blanket the morning side and vanish on the scorching evening side — and the planet is far less exotic than thought.
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