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Recent Space Stories

Astronomers estimate 40 quintillion stellar black holes fill the observable universe and hold nearly 1% of ordinary matter.
A cosmic census suggests 40 quintillion stellar black holes exist, with the largest often forming through interactions in star clusters.
Joseph Shavitupda
Milky Way simulations show stellar streams can develop dark matter-like gaps and kinks without encounters with dark matter clumps.
SpaceScientists narrow the search for dark matter using new galaxy simulationsJoseph Shavit
An artist’s impression of a young star surrounded by a planet-forming disk, with powerful winds blasting gas from the emerging planetary system.
SpaceJWST reveals how young solar systems may lose the gas needed to build planetsJoshua Shavit
Simulations suggest water and rocky worlds may have appeared within 300 million years of the Big Bang, opening an earlier window for life.
SpaceLife in the universe may have formed less than 300 million years after the Big BangJoseph Shavit
NASA’s Roman telescope will map billions of cosmic objects while probing dark energy, black holes and distant worlds.
SpaceNASA’s Nancy Grace Roman Space Telescope is about to open a vast new window on the universeJoseph Shavit
An artist’s impression of a mysterious “little red dot,” a bright, compact object nestled within a faint galaxy in the early universe.
SpaceJWST’s mysterious ‘little red dots’ may hide early black holes inside tiny galaxiesJoseph Shavit
NASA’s HOEE concept pairs a giant orbiting starshade with ground telescopes to directly image nearby Earth-like exoplanets.
SpaceNASA’s giant space ‘starshade’ could help ground telescopes photograph another EarthJoshua Shavit
A runaway supermassive black hole is leaving a vast trail of newborn blue stars in its wake, dating back to when the universe was about half its present age.
SpaceRunaway supermassive black hole may be the result of a violent cosmic collisionJoseph Shavit
An ADN green rocket thruster ignited electrically at room temperature, eliminating the need for a preheated catalyst bed.
SpaceScientists develop a greener, catalyst-free, rocket thruster to power the next generation of spacecraftJoseph Shavit
The Apophis 2029 flyby could reveal asteroid surface shifts, spin changes and new lessons for planetary defense.
SpaceApophis will zoom past Earth in 2029, turning a rare flyby into a planetary defense testJoseph Shavit
A cosmic glitch in gravity may make gravity about 1% weaker across billions of light-years, challenging Einstein’s theory at vast scales.
Space‘Cosmic Glitch’ could explain why gravity acts differently across the UniverseJoseph Shavit
Binary asteroid simulations improve with a Hamel integrator that preserves energy, rotation geometry and computational efficiency.
SpaceAstronomers develop a faster way to simulate the complicated motion of binary asteroidsJoseph Shavit
Remnant radio galaxies reveal how quickly giant black hole jets fade, with many distant examples surviving for only millions of years.
SpaceTwelve fading galaxies expose a missing stage in the life of black hole jetsJoseph Shavit
GJ 523b is a dense mega-Earth 2.55 times Earth's radius, challenging ideas about how large rocky planets form.
SpaceAstronomers find an ultra-dense mega-Earth 23 times our planet’s mass but only 2.5 times its sizeJoseph Shavit
Scientists including UWM Professor David Kaplan have determined the identity of a long-period radio transient to be a white dwarf accreting material from its neighboring star, as illustrated in the graphic above.
SpaceRepeating radio signals lead UMW astronomers to a rare binary white dwarf star systemJoshua Shavit
Shackleton crater on the Lunar South Pole. The Chang’e-7 Moon mission will send a hopper toward shadowed south pole craters in search of accessible lunar water ice.
SpaceChina’s Chang’e-7 targets the Moon’s South Pole in search of usable water iceJoseph Shavit
Dark photon dark matter gets new room to hide after plasma simulations overturn powerful early-universe limits.
SpaceCosmic plasma was supposed to rule out dark photons. Simulations say otherwiseJoshua Shavit