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Space photo of the week: Pink 'raindrops' on the sun captured in greatest detail ever
By Jamie Carter published
Solar scientists have unveiled spectacular new images of plasma "rain" in the sun's corona using adaptive optics.

James Webb telescope spots weird changes on Jupiter's icy moon Europa
By Carolyn Collins Petersen published
The ice on the surface of Jupiter's massive moon Europa is constantly changing, hinting at the presence of a subsurface ocean, new James Webb telescope observations reveal.

What goes up must come down: How megaconstellations like SpaceX's Starlink network pose a grave safety threat to us on Earth
By Samantha Lawler published
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.

Giant 'senior citizen' sunspot on 3rd trip around the sun could break a century-old record
By Harry Baker published
A large sunspot has just reappeared on the sun's Earth-facing surface, almost two months after it first emerged. The unusually old dark patch remains stable and could be on course to become the longest-lived sunspot on record, experts claim.

'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
By Harry Baker published
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.

NASA plans to build a giant radio telescope on the 'dark side' of the moon. Here's why.
By Harry Baker published
A NASA-funded plan to build a large radio telescope on the moon's far side is nearing final approval and could become a reality by the 2030s, researchers say. The ambitious project will help safeguard astronomy from satellite "megaconstellations" — and help scientists unravel more of the radio spectrum.

How many satellites could fit in Earth orbit? And how many do we really need?
By Harry Baker published
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?

James Webb telescope uncovers new, 'hidden' type of black hole never seen before
By Shreejaya Karantha published
By combining data from the Subaru Telescope and James Webb Space Telescope, researchers have discovered distant quasars that are obscured by dust but which may shed light on Little Red Dots.
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