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Astronomy & Space news
The solar system's greatest mystery may finally be solved
For years, astronomers have been searching for a mysterious ninth planet lurking in the dark outer reaches of our solar system. Now, a team of researchers have taken a completely different approach to this cosmic detective ...
Astronomy
19 hours ago
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Tabletop exercises can help us understand and avoid potential conflicts over the moon
As different nations begin conducting operations on the lunar surface, humanity's penchant for geopolitical struggles will likely be along for the ride. Tension between nations and/or corporations could grow. There are few ...
Space Exploration
19 hours ago
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Macron says Europe must become 'space power' again
President Emmanuel Macron said Friday that Europe must again become a global space power, warning that France risked being squeezed out of the global low-orbit satellite constellation market.
Space Exploration
16 hours ago
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Radio signal from the very early universe offers clues about the first stars
Understanding how the universe transitioned from darkness to light with the formation of the first stars and galaxies is a key turning point in the universe's development, known as the Cosmic Dawn. However, even with the ...
Astronomy
Jun 20, 2025
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78
The summer solstice is here. What to know about the longest day of the year
Peak sunshine has arrived in the Northern Hemisphere—the summer solstice.
Planetary Sciences
Jun 20, 2025
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Escaping cosmic strings: How dark photons could finally work as dark matter
Researchers, in a recent Physical Review Letters paper, introduce a new mechanism that may finally allow ultralight dark photons to be considered serious candidates for dark matter, with promising implications for detection ...
Using a space elevator to get water off Ceres
We might not currently have any technology that would make a space elevator viable on Earth. But that doesn't mean they wouldn't work on other bodies around the solar system. One of the most interesting places that one could ...
Space Exploration
Jun 19, 2025
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The Cosmic Owl: Astronomers discover a peculiar galaxy merger
An international team of astronomers reports the detection of a peculiar merger of two similar ring galaxies that morphologically resemble an owl's face. The discovery of this galaxy merger, dubbed the "Cosmic Owl," is presented ...
SpaceX Starship explodes on Texas launch pad
A SpaceX Starship rocket exploded during a routine ground test in Texas late Wednesday, the company said, in the latest setback to billionaire Elon Musk's dream of sending humans to Mars.
Space Exploration
Jun 19, 2025
1
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'The models were right': Astronomers find 'missing' matter linking four galaxy clusters
Astronomers have discovered a huge filament of hot gas bridging four galaxy clusters. At 10 times as massive as our galaxy, the thread could contain some of the universe's 'missing' matter, addressing a decades-long mystery.
Astronomy
Jun 19, 2025
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Researchers take one small step toward planning life on Mars
Before they take the long journey to another planet, humans will have to find the right place to land. New findings from a University of Mississippi researcher may point to just such a place on Mars.
Space Exploration
Jun 19, 2025
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New study offers a double dose of hot Jupiters
Yale astronomers may have discovered the origin story for one of the universe's most dazzling phenomena—the double hot Jupiter—as well as a plan to find more of them.
Astronomy
Jun 19, 2025
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Neanderthal extinction: A space physicist reopens the debate
Neanderthals have long been the subject of intense scientific debate. This is largely because we still lack clear answers to some of the big questions about their existence and supposed disappearance.
Planetary Sciences
Jun 19, 2025
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Do ocean worlds have smaller habitable zones?
Hycean worlds are also called ocean worlds. They're planets covered in oceans that also have thick hydrogen atmospheres. There are no confirmed hycean worlds but many candidates. Even though they're only candidates so far, ...
Planetary Sciences
Jun 19, 2025
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The first images from Vera Rubin telescope are about to drop
In the early 1600s, Dutch spectacle maker Jan Lippershey discovered that combining lenses could magnify distant objects. Galileo Galilei quickly improved the designs and became the first to explore the heavens, revealing ...
Astronomy
Jun 19, 2025
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NASA to gather in-flight imagery of commercial test capsule re-entry
A NASA team specializing in collecting imagery-based engineering datasets from spacecraft during launch and reentry is supporting a European aerospace company's upcoming mission to return a subscale demonstration capsule ...
Space Exploration
Jun 19, 2025
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Image: Exoplanet GJ504b, 'second Jupiter' directly observed
GJ504b is an exoplanet orbiting a sun-like star GJ 504. It is estimated to be three to six times more massive than Jupiter, making it the lowest-mass planet ever directly imaged. This faint and cold planet, often referred ...
Astronomy
Jun 19, 2025
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Another tether deorbiting test mission takes shape
More and more satellites are being added to low Earth orbit (LEO) every month. As that number continues to increase, so do the risks of that critical area surrounding Earth becoming impassable, trapping us on the planet for ...
Space Exploration
Jun 19, 2025
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SpaceX rocket being tested in Texas explodes, but no injuries reported
A SpaceX rocket being tested in Texas exploded Wednesday night, sending a dramatic fireball high into the sky.
Space Exploration
Jun 19, 2025
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SpaceX retargets crewed Axiom Space launch
SpaceX has reset the countdown clock for its next human spaceflight, targeting an early Sunday morning launch of the private Axiom Space Ax-4 mission.
Space Exploration
Jun 19, 2025
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More news
Exploring late accretion's role in terrestrial planet evolution
Abrasive lunar dust is still less toxic than city pollution, study finds
Engineers simulate lunar lighting for Artemis III moon landing
Image: Astronauts train for moonwalks in unusual places on Earth
