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Our galaxy flipped after a collision, say astronomers
Our galaxy flipped after a collision with a dwarf galaxy 10 billion years ago, changing the Milky Way's evolution, new simulations suggest.
July 22, 2026
Another new Psyche mission flyby image of Mars
NASA released a composite image of Mars lit like a crescent as the Psyche mission flew by for a gravity assist. Watch a stunning time lapse of the whole flyby.
July 22, 2026
1st atmosphere detected on Earth-like, habitable-zone world
Scientists have found an atmosphere on rocky exoplanet LHS 1140 b. It's the 1st atmosphere detected on a rocky world in the habitable zone of its star.
July 21, 2026
Meteorite strike of New Jersey home reveals life clues
Meteorite strike of New Jersey home! It crashed through the roof of a house in 2024. A new study shows it reveals clues to life's origins.
July 19, 2026
The Day the Earth Smiled: July 19, 2013
July 19 is the 13th anniversary of The Day the Earth Smiled, the 3rd-ever image of Earth from the outer solar system, taken by the great Cassini spacecraft.
July 19, 2026
The 1st footsteps on the moon: Celebrate with Moon Day
Tomorrow is the 57th anniversary of humanity's historic Apollo moon landing and the 1st human footsteps on the moon. And it's also International Moon Day.
July 19, 2026
10,000 black holes are missing, but we’ve finally found 1
Astronomers think the Omega Centauri globular cluster should be home to 10,000 black holes of a stellar-mass size. But they've never found one ... until now.
July 17, 2026
Infectious microbes on Mars could become even more deadly
A new thesis examines how earthly pathogenic microbes on Mars could survive and potentially become even more dangerous for future astronauts.
July 17, 2026
Hidden planet found around nearby star Beta Pictoris
Astronomers have found a hidden planet orbiting the star Beta Pictoris. This previously unseen world is now the faintest planet ever imaged from Earth.
July 16, 2026
Shoemaker-Levy 9 impact on Jupiter 32 years ago
Comet Shoemaker-Levy 9 hit Jupiter in 1994, 32 years ago, scarring the planet's surface and leaving behind water that remained in the atmosphere for decades.
July 16, 2026
