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Live Science Today: Super El Niño looms and Starlink hits 10,000 satellites in orbit
Daily Roundup Tuesday, March 17, 2026: Your daily shot of the biggest science stories making headlines.
Orbiting satellites could start crashing into one another in less than 3 days, theoretical new 'CRASH Clock' reveals
Researchers have proposed a theoretical timepiece, dubbed the "CRASH Clock," which tells us how quickly satellites would start colliding if they lost the ability to avoid each other, such as during a powerful solar storm. And its value is rapidly decreasing.
Secretive SpaceX satellites operated by US government are shooting disruptive radio signals into space, astronomer accidentally discovers
An amateur astronomer has accidentally uncovered a series of puzzling radio signals coming from SpaceX's government-operated "Starshield" network. The signals overlap with protected frequencies and could disrupt other nearby spacecraft, experts warn.
What goes up must come down: How megaconstellations like SpaceX's Starlink network pose a grave safety threat to us on Earth
Opinion Thousands of satellites with incredibly short lifetimes are being sent up into low Earth orbit. When they fall back down they're fireballs of pollution — and what doesn't burn up hits the ground.
'No radio astronomy from the ground would be possible anymore': Satellite mega-swarms are blinding us to the cosmos — and a critical 'inflection point' is approaching
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Invisible radiation leaking out of private satellites, like SpaceX's Starlink spacecraft, is disrupting radio astronomers' ability to detect important signals from across the universe. If left unchecked, we could reach an "inflection point" beyond which we can no longer properly study the cosmos, researchers warn.
How many satellites could fit in Earth orbit? And how many do we really need?
The number of satellites orbiting Earth is rising fast, thanks to private companies such as SpaceX. But just how big will these "megaconstellations" become? And what problems might they cause?
How many satellites orbit Earth?
The number of satellites orbiting our planet is rising fast, thanks to private "megaconstellations" that pose various threats to space exploration and astronomy. But how big has the problem already become?
