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Recent Space Stories

Astronomers find three distinct groups of merging black holes hidden in gravitational-wave data.
Gravitational-wave data suggests black hole mergers fall into three distinct cosmic groups.
Joshua Shavitupda
The cosmic microwave background, the faint afterglow of the Big Bang that fills all of space, passes through massive galaxy clusters whose motion slightly alters the light, allowing scientists to measure how fast the clusters are moving toward one another and test how strongly gravity pulls across the largest distances in the universe.
SpaceScientists reveal the hidden forces shaping how gravity works across the UniverseJoseph Shavit
Astronaut Christina Koch watching Earth from the Orion spacecraft (image taken with iPhone 17 Pro Max)
SpaceThe human eyes behind Artemis II’s most memorable photosBreaking Science
Galaxy GN-z11, shown in the inset, is seen as it was 13.4 billion years in the past, just 400 million years after the big bang, when the universe was only three percent of its current age.
SpaceAstronomers find compelling new evidence of the first stars formed after the Big BangJoshua Shavit
Apophis will pass close to Earth in 2029, giving scientists a rare chance to watch gravity reshape an asteroid.
Space‘God of chaos’ asteroid Apophis will pass very close to Earth in 2029Joseph Shavit
Graphene aerogels shot forward under laser light in microgravity, hinting at fuel-free propulsion for future spacecraft.
SpaceScientists develop laser-powered graphene propulsion for next-generation space travelJoshua Shavit
Artist impression of Artemis II: Orion and its European Service Module as they separate from the second stage of NASA's Space Launch System rocket, the Interim Cryogenic Propulsion Stage (ICPS).
SpaceArtemis II isn’t the farthest human spaceflight, and it’s not even closeJoseph Shavit
SuperCDMS reaches base temperature deep underground, opening a new search for ultralight dark matter particles.
SpaceThe coldest ever hunt for dark matter has begun deep undergroundShy Cohen
Artist’s interpretation of the cosmic distance ladder — a succession of overlapping methods used to measure distances across the Universe, where each rung of the ladder provides information that can be used to determine the distances at the next higher rung.
SpaceOur local universe’s expansion rate doesn’t add up, astronomers findJoshua Shavit
SpaceFrozen ocean world found lurking between Mars and JupiterJoseph Shavit
A distant ultra-hot Jupiter reveals that planets can mirror their stars’ chemistry, offering new insight into how worlds form and evolve.
SpaceDo planets inherit their chemical structure from their stars?Joshua Shavit
A strange LIGO signal may point to a primordial black hole and a new clue in the search for dark matter.
SpaceScientists are close to proving that primordial black holes existJoseph Shavit
SpaceRichard Feynman explains why our night sky is dark despite trillions of starsJoseph Shavit
The constellation of Ursa Major (The Great Bear) is home to Messier 101, the Pinwheel Galaxy. This image is a combination of exposures taken through green and infrared filters using Hubble's Advanced Camera for Surveys. The field of view is approximately 3.3 by 3.3 arcminutes.
SpaceAstronomers discover a mysterious duality in dark matterJoshua Shavit
Astronomers confirmed SDSS J0715-7334 as the most metal-poor star ever found, a survivor of the universe's second stellar generation born near the Large Magellanic Cloud.
SpaceAstronomers discovered the most primitive star everJoseph Shavit
The constellation of Ursa Major (The Great Bear) is home to Messier 101, the Pinwheel Galaxy. This image is a combination of exposures taken through green and infrared filters using Hubble's Advanced Camera for Surveys. The field of view is approximately 3.3 by 3.3 arcminutes.
SpaceWhat if dark matter came in two states?Breaking Science
Artist's impression shows Cassini exploring the magnetic environment of Saturn.
SpaceCassini-Huygens mission finds lopsided shift in Saturn’s magnetic bubbleJoshua Shavit