Astrophysicists find best evidence yet that galaxies get some spin before birth

New study spots “primordial spin” imprinted on galaxies by churning halos of dark matter

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U.K. physics cuts may force iconic 1950s telescope to close

Jodrell Bank Observatory is one of several projects to lose funding following a review by the cash-strapped Science and Technology Facilities Council

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Clear sighting of ‘wandering’ black hole reveals escapee from galaxy merger

Stripped-down behemoth promises new insights into how galaxies grow, astronomers say

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Detection schemes could deter putting nuclear warheads in space

Three approaches—including one that exploits Earth’s radiation belts—could help enforce ban on orbital nuclear weapons

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Proposed new satellite fleets could overwhelm the night sky

Orbiting datacenters and sunlight reflectors would scupper astronomy by leaving streaks on telescope images and brightening skies, study finds

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Rubin observatory begins a 10-year movie of the changing universe

World’s biggest digital camera will repeatedly scan the sky, spotting cosmic explosions while building up a deep map of billions of galaxies

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A space telescope is falling to Earth. NASA is racing to rescue it

Vehicle will attempt a daring capture-and-boost mission to extend the life of the Swift observatory

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If scientists discover aliens, they have a plan for ‘disclosure day’

New guidelines aim to help scientists verify, communicate, and manage evidence of extraterrestrial intelligence

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Have astronomers spotted an exploding primordial star?

Puzzling JWST observation could instead be one of the universe's first galaxies—or something more mundane

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Astronomers unlock a sharper view from JWST using a ‘keyhole’ trick

A revived technique could reveal planets near their stars and the inner workings of galaxies

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Astronomers complete largest 3D map of the universe ever made

Five-year quest to chart 47 million galaxies yields insights into mysterious “dark energy”

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A galaxy seems to host two giant black holes, poised to collide in a century

Unusual radio signals could be long-sought smoking gun of galactic mergers

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How fast is the universe expanding? Cosmic ‘illusions’ may hold answer

Repeated supernovae flashes, warped by gravity, could resolve a cosmological dispute

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NASA kills future x-ray mission

$1 billion AXIS proposal fell victim to agency upheaval, principal investigator says

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Universe’s brightest stellar explosions may be powered by highly magnetic neutron stars

Peculiar bumps in light from supercharged supernovae point to a stellar remnant surrounded by a wobbling disk of matter

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Hubble spotted a ‘dark galaxy’ that’s at least 99.9% dark matter

Search through space telescope’s archival images reveals unusually dim galaxy

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Pollution plume from falling rocket debris tracked in real time

New analysis sheds light on space junk’s small, growing effects on upper atmosphere

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A vanishing star births a black hole—without the fireworks

Failed supernova candidate points to a stealthy pathway of stellar collapse

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Controversial Chilean energy project scrapped, relieving astronomers

Light pollution from green hydrogen plant would have threatened world’s largest telescopes

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Spacecraft captures a solar flare as it builds into an explosive outburst

Europe’s Solar Orbiter is helping researchers understand what causes the Sun to blast out radiation and particles

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Ex–Google CEO funds private space telescope bigger than Hubble

Schmidt Sciences announces investments in orbiting observatory and three ground-based instruments

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Sun’s gravitational lens could reveal alien planets’ surfaces

Bold concept calls for sending telescopes 10 times farther than Pluto

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Private donors pledge $1 billion to CERN for future atom smasher

Benefactors agree to help support next-generation particle accelerator, but billions more are needed

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Satellite fleets pose problems for space telescopes, too

Proposed “megaconstellations” would contaminate images from telescopes in low-Earth orbit, including Hubble

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Seeking greater independence, Europe boosts space agency budget

X-ray observatory and mission to Saturn’s moon Enceladus win as ESA’s science program sees growth

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Giant telescope project, long planned for Hawaii, gets cozy with Spain

Spain’s €400 million offer could induce Thirty Meter Telescope to switch sites

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