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Space

Recent Space Stories

SETI scientists scanned interstellar object 3I/ATLAS for radio technosignatures and found no evidence of artificial signals.
3I/ATLAS looked like a natural comet, but SETI researchers still checked it for radio signals from technology.
Joseph Shavitupda
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
A new method uses dust rings in protoplanetary disks to estimate the masses of hidden newborn planets.
SpaceAstronomers can now measure newborn planet mass from dusty stellar ringsJoseph Shavit
A split image showing an active Sun during solar maximum (on the left, taken in 2014) and a quiet Sun during solar minimum (on the right, taken in 2019).
SpaceForty years of solar data finds our Sun is changing from the inside outJoshua Shavit
This artist's impression shows two Earth-sized worlds passing in front of their parent red dwarf star, which is much smaller and cooler than our Sun.
SpaceAstronomers observe six red dwarf stars ‘eating’ Earth-like planetsJoseph Shavit
New models suggest Mercury’s polar ice may have been delivered by one major impact and trapped within a single Mercurian day.
SpaceMercury’s polar water ice may have arrived in one giant impactJoshua Shavit