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Astronomy & Space news
The biggest piece of Mars on Earth is going up for auction in New York
For sale: A 54-pound (25-kilogram) rock. Estimated auction price: $2 million to $4 million. Why so expensive? It's the largest piece of Mars ever found on Earth.
Space Exploration
5 hours ago
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Dark matter could create dark dwarfs at the center of the Milky Way
Dark matter is one of nature's most confounding mysteries. It keeps particle physicists up at night and cosmologists glued to their supercomputer simulations. We know it's real because its mass prevents galaxies from falling ...
Astronomy
21 hours ago
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3I/ATLAS: Interstellar object 'may be oldest comet ever seen'
A mystery interstellar object discovered last week is likely to be the oldest comet ever seen—possibly predating our solar system by more than 3 billion years, researchers say.
Astronomy
Jul 11, 2025
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3I/ATLAS: Scientific paper details what's known about the third-ever interstellar object
When the news started to spread on July 1, 2025, about a new object that was spotted from outside our solar system, only the third of its kind ever known, astronomers at Michigan State University—along with a team of international ...
Astronomy
Jul 11, 2025
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Celebrate the JWST's third anniversary with this stunning image
On July 11, 2022, the James Webb Space Telescope finished its commissioning and commenced science operations. In the three years since, the powerful infrared space telescope has delivered on its promise. It's looked back ...
Astronomy
Jul 11, 2025
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NASA selects instruments for Artemis lunar terrain vehicle
NASA has selected three instruments to travel to the moon, with two planned for integration onto an LTV (Lunar Terrain Vehicle) and one for a future orbital opportunity.
Space Exploration
Jul 11, 2025
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NASA targets July 31 for Crew-11 launch while Ax-4 mission won't return until next week
There's nowhere to park right now at the International Space Station for NASA's next Commercial Crew Program launch, but a slot should clear next week, allowing for the launch of Crew-11 as early as July 31.
Space Exploration
Jul 11, 2025
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Europe's first deep-space optical communication link
The European Space Agency (ESA) successfully established a transmission-reception optical link with NASA's Deep Space Optical Communications (DSOC) experiment onboard its Psyche mission, located 265 million kilometers away, ...
Space Exploration
Jul 11, 2025
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NASA's future telescope could solve the mystery of life's origins
The question of how life began has captivated humanity for millennia. Now, a team of scientists are preparing to use NASA's upcoming Habitable Worlds Observatory (HWO) to test different theories about life's origins by studying ...
Astrobiology
Jul 10, 2025
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Radio observations hint at active galactic nucleus in nearby spiral galaxy NGC 4527
Argentinian astronomers have employed the upgraded Giant Metrewave Radio Telescope (uGMRT) to perform high-resolution radio observations of a nearby spiral galaxy designated NGC 4527. Results of the observational campaign, ...
The Milky Way could be teeming with more satellite galaxies than previously thought
The Milky Way could have many more satellite galaxies than scientists have previously been able to predict or observe, according to new research. Cosmologists at Durham University used a new technique combining the highest-resolution ...
Astronomy
Jul 10, 2025
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Webb scratches beyond the surface of the Cat's Paw for third anniversary
To mark its third year of highly productive science, astronomers used the NASA/ESA/CSA James Webb Space Telescope to scratch beyond the surface of the Cat's Paw Nebula (NGC 6334), a massive, local star-forming region.
Astronomy
Jul 10, 2025
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Earth's 'oldest' impact crater is much younger than previously thought
Ever been late because you misread a clock? Sometimes, the "clocks" geologists use to date events can also be misread. Unraveling Earth's 4.5-billion-year history with rocks is tricky business.
Planetary Sciences
Jul 10, 2025
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Astronomers discover brightest galaxy during 'cosmic noon'
Names are a strange thing in astronomy. Sometimes scientists come up with grandiose, simple name, like the Extremely Large Telescope. Other times, they come up with unique sounding names, like quasars. And sometimes they ...
Astronomy
Jul 10, 2025
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Giant liquid mirrors could revolutionize the hunt for habitable worlds
Imagine a space telescope with a mirror stretching 50 meters across! That's larger than the width of a U.K. soccer field and nearly eight times wider than the James Webb Space Telescope. Now imagine that this enormous mirror ...
Astronomy
Jul 10, 2025
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Roman Space Telescope team installs observatory's solar panels
On June 14 and 16, technicians installed solar panels onto NASA's Nancy Grace Roman Space Telescope, one of the final steps in assembling the observatory. Collectively called the Solar Array Sun Shield, these panels will ...
Space Exploration
Jul 10, 2025
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Finding an ocean on an exoplanet would be huge, and the Habitable Worlds Observatory could do it
On Earth, water is so intertwined with life that our search for life on other worlds is essentially a search for water. When scientists find exoplanets around distant stars, a primary consideration is if they're in the stars' ...
Astrobiology
Jul 10, 2025
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This planet makes its star flare and the planet suffers because of it
Some exoplanets in their stars' habitable zones may be distinctly uninhabitable due to solar flaring. Red dwarfs are known for powerful flaring, and since they're dim and their habitable zones are close to the star, these ...
Planetary Sciences
Jul 10, 2025
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Dune patterns in California desert hold clues that help researchers map Mars' shifting sands
Our two-person team loaded the car with a GPS, a drone, notebooks, sample bags, a trowel and a flat spatula lovingly called a scoopula. Then we drove 30 minutes in our rented truck from Yuma, Arizona, to the Algodones Dunes, ...
Planetary Sciences
Jul 10, 2025
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Astronomy and geophysics still 'overwhelmingly white' and failing to attract more women, survey reveals
Women and ethnic minority groups are still significantly underrepresented in astronomy and geophysics despite attempts to bring about change over the past decade, research has shown.
Astronomy
Jul 10, 2025
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More news
Trump taps transport chief to be interim NASA administrator
Ancient river systems reveal Mars was wetter than we thought
Chang'e-6 samples unlock secrets of the moon's farside
Space Rider reentry module undergoes 2.5 km drop tests
Other news
Data mining uncovers treasure-trove of previously 'untouchable' proteins for drug development
Can the Large Hadron Collider snap string theory?
Higgs-boson properties clarified through decay pattern analysis
Data transfer speeds increase significantly through new optical chip design
How the genome defends itself against internal enemies
An astronaut called a satellite 'impossible'
Image: Hubble captures stellar duo
Meteorite challenges the timeline of the early solar system
