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Recent Space Stories

A new model reveals how strongly Venus’s mysterious cloud absorber must block ultraviolet light, sharply narrowing possible candidates.
Venus looks pale from afar, but its cloud droplets may contain an extraordinarily dark substance that has defied identification for a century.
Joseph Shavitupda
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
An AI-assisted mission plan could send a solar-electric spacecraft toward Alpha Centauri by 2029 on an 80,000-year journey.
SpaceHumanity could start an 80,000-year journey to Alpha Centauri in 2029Joseph Shavit
Models show a hypothetical ancient Venusian moon could reverse its orbit, break apart and disappear through tidal evolution.
SpaceTidal forces may have doomed an ancient moon around VenusJoshua Shavit
JWST detected CO₂ and icy dust around Centaur 450P/LONEOS, revealing how a frozen outer solar system body may become comet-like.
SpaceJWST detected an icy world beyond Jupiter transforming into a cometJoseph Shavit
Researchers observed bright flares of X-ray emissions, produced as gas falls into a supermassive black hole.
SpaceAstronomers confirm Einstein’s gravity by viewing light from behind a supermassive black holeJoseph Shavit
Graphene advances and a Moon-anchored Spaceline offer two possible routes toward cheaper travel between Earth and deep space.
SpaceA space elevator connecting Earth and the Moon could be closer than everJoseph Shavit
Artistic interpretation of the distant planetary system PDS 70. Possible exocomets around PDS 70 may reveal how giant planets send icy bodies and water toward regions where rocky worlds form.
SpaceAstronomers spot signs of comets transporting water to a young solar system PDS 70Joseph Shavit
Solar Orbiter found a sharp change in heavy-ion composition inside the Sun’s vast heliospheric current sheet.
SpaceESA’s Solar Orbiter reveals how the Sun’s corona transforms into solar windJoseph Shavit
JWST found four candidate pairs of little red dots that may reveal how rapidly growing black holes merged in the early universe.
SpaceJWST finds mysterious red objects pairing up in the early universeJoseph Shavit
Star formation plunged over 4.5 billion years, but cosmic neutral hydrogen barely changed, pointing to a different bottleneck.
SpaceThe universe still has plenty of hydrogen, so why is it making fewer stars?Joseph Shavit