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Recent Space Stories

A catalog of 2,884 Type Ia supernovae strengthens hints that dark energy may change as the universe evolves.
Three decades of supernova observations have been rebuilt into one dataset, revealing another challenge to constant dark energy.
Joseph Shavitupda
CERN recreated high-energy cosmic ray collisions with oxygen, exposing major gaps in models of particle showers in Earth’s atmosphere.
SpaceCERN recreates cosmic ray collisions to reveal what happens when space particles hit EarthJoseph Shavit
Artificial eye lenses exposed outside the ISS reveal how cataract surgery supplies might survive future missions to Mars.
HealthFuture Mars astronauts may need eye surgery millions of miles from EarthJoseph Shavit
Thousands of dead satellites, spent rocket components and fragments of spacecraft circle Earth at tremendous speeds.
SpaceScientists develop a way to capture space junk using robots and spinning magnetsJoseph Shavit
Solar models suggest the young Sun may have swallowed a super-Earth whose chemical fingerprint could remain inside it today.
SpaceA missing super-Earth may have been swallowed up by the Sun billions of years agoJoseph Shavit
A new SETI framework proposes searching Moon dust for microscopic technological debris that may have crossed the galaxy billions of years ago.
SpaceAlien technology could be hiding as microscopic dust on the MoonJoseph Shavit
New simulations suggest geological strength let a hot Theia produce an almost intact proto-Moon within hours of its collision with Earth.
SpaceThe Moon may have formed almost intact within hours of Theia smashing into EarthJoseph Shavit
Around the SKA telescope, old star stories survive through practical knowledge, new meanings and changing community traditions.
SpaceBefore MeerKAT, South Africa’s Karoo telescope had its own ways of reading the starsJoseph Shavit
Captured within this image is the newly discovered galaxy proto-supercluster named COSMOS-z3.1-A.
SpaceA cosmic giant 5,000 times the Milky Way’s mass emerges from the early UniverseJoseph Shavit
A new model reveals how strongly Venus’s mysterious cloud absorber must block ultraviolet light, sharply narrowing possible candidates.
SpaceScientists identify a mysterious substance darkening Venus’s cloudsJoseph Shavit
Gaia measurements show massive stars in the Small Magellanic Cloud moving apart, suggesting the Large Magellanic Cloud may be disrupting it.
SpaceThe Large Magellanic Cloud may be tearing its smaller neighbor apartJoseph Shavit
Nitrogen in 3I/ATLAS suggests the interstellar comet formed at roughly 30 kelvins or below in the icy outskirts of another star system.
SpaceNitrogen in 3I/ATLAS reveals an extremely cold birthplace beyond the solar systemJoseph Shavit
Cosmic rays may erode icy interstellar objects far faster than expected, suggesting ‘Oumuamua could once have been much larger.
SpaceA hidden cosmic filter may decide which interstellar objects reach our solar systemJoseph Shavit
Simulations show drifting icy pebbles can build 10-Earth-mass cores for Jupiter-like planets in only about 200,000 years.
SpaceNew computer simulation reveals exactly how gas giants formJoseph Shavit
MeerKAT directly detected faint hydrogen from billions of years ago, opening a new way to map the cosmic web without optical surveys.
SpaceMeerKAT detects a faint hydrogen signal from billions of years agoJoseph Shavit
Black hole ringdown waves may reveal hidden matter or new physics through distinct changes in frequency and damping.
SpaceBlack hole ‘hair’ could reveal hidden matter after two black holes collideJoseph Shavit
New manganese emission-line calculations could help astronomers trace supernova chemistry and the chemical evolution of galaxies.
SpaceFaint manganese signals could reveal how the universe built its elementsJoseph Shavit