Space agency
European Space Agency
Every Cosmic Herald story on European Space Agency — missions, launches, discoveries, and the business of space, newest first.
66articles
2026-09-01latest coverage
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All (66)
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Astronomy
Webb finds a black hole that grew too big, too fast, too early
Inside a 'little red dot' just 570 million years after the Big Bang, Webb has caught a supermassive black hole feeding voraciously — and far too large for its host galaxy, deepening a puzzle about early cosmic growth.
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Astronomy
Measuring a strain of 10⁻²¹: how gravitational-wave detectors work
LIGO detects spacetime distortions a thousandth the width of a proton across a four-kilometre arm. The instrument is an exercise in suppressing every other effect on Earth — and it has opened a genuinely new way of observing the universe.
