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Recent Space Stories

This composite image shows evidence for a wind blowing away from Sagittarius A* (Sgr A*), the supermassive black hole in the center of our galaxy. The white dot in the center of the image shows Sgr A*. In orange is data from the Atacama Large Millimeter/Submillimeter Array radio telescopes in Chile, mapping the location of cold gas composed of carbon monoxide in the image. In blue is X-ray data from NASA’s Chandra X-ray Observatory.
Astronomers found a cone-shaped cavity in cold gas near Sagittarius A*, pointing to a long-sought black hole wind.
Joshua Shavitupda
Simulations show a compact X-ray telescope could map the Moon’s surface chemistry in as little as one to two years.
SpaceCompact X-ray telescope could deliver the first full chemical map of the MoonJoseph Shavit
New SETI rules tighten how scientists verify and announce possible evidence of extraterrestrial intelligence.
SpaceDisclosure Day: New SETI protocols aim to prevent panic, misinformationShy Cohen
NASA veteran says vacuum tests reveal a strange thrust force with no fuel.
SpaceFormer NASA engineer creates electrostatic space drive — no propellant neededJoseph Shavit
SETI scientists scanned interstellar object 3I/ATLAS for radio technosignatures and found no evidence of artificial signals.
SpaceSETI checked 3I/ATLAS for alien signals — Here’s what they foundJoseph Shavit
A new tachyon theory argues faster-than-light particles may fit within relativity without the old paradoxes about time and causality.
SpaceNew tachyon theory could unlock the secrets of time travel and causalityJoshua Shavit
New simulations show fast flavor conversion can either help or hinder core-collapse supernova explosions.
SpaceThe explosive fate of a collapsing star depends on neutrinosJoseph Shavit
Iron meteorites suggest Earth’s nitrogen and phosphorus may have come from early inner solar system planetesimals.
SpaceIron meteorites unlock secrets of the early solar system and Earth’s origin
Astronomers have identified a likely evolutionary path linking dusty star-forming galaxies to massive quiescent galaxies that stopped producing stars surprisingly early in cosmic history.
SpaceEarly galaxy collisions may explain why giant galaxies died youngJoshua Shavit
Simulations suggest six spacecraft could weaken geomagnetic storms before they disrupt Earth’s satellites, GPS, and power grids.
SpaceSix-satellite ‘StormWall’ could stop dangerous solar storms before they hit EarthJoseph Shavit
A new relativity proposal says faster-than-light observers could help explain quantum behavior and reshape causality.
SpacePhysicists propose that our universe may contain three dimensions of timeJoshua Shavit
Astronomers traced strange repeating radio bursts to a white dwarf feeding on a red dwarf in a tightly bound binary system.
SpaceStudent astronomer discovers rare white dwarf star feeding on a red dwarf companionJoseph Shavit
Astronomers found the largest known water reservoir around a distant quasar, revealing extreme conditions in the early universe.
SpaceDeep-space water reservoir contains trillions of times more water than all Earth’s oceans combinedJoseph Shavit
This natural-color image of Ganymede was captured by the Galileo spacecraft during its first flyby of the moon.
SpaceNew analysis reveals why Ganymede has a magnetic field when other moons do notJoshua Shavit
Texas A&M researchers are studying how lunar regolith and robotics could help build a permanent human base on the moon.
SpaceMoon dust could become the foundation of humanity’s first permanent lunar baseJoseph Shavit
Physicists derived an exact limit on how much information a noisy channel could send backward through time.
SpaceSending short messages back in time may not break the laws of physicsShy Cohen
MAVEN data shows Mars can redirect plasma inside its ionosphere during solar storms, revealing a new space weather effect.
SpaceMars’ atmosphere is changing how scientists see unmagnetized planetsJoshua Shavit