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Astronomy Mar 16, 2026

A galaxy next door is transforming, and astronomers can see it happening

The Small Magellanic Cloud (SMC) is one of the Milky Way's closest galactic neighbors—a small, gas-rich galaxy visible to the naked eye from the southern hemisphere, and bound to our galaxy by gravity, alongside its companion, ...

Astronomy Mar 16, 2026

Extremely rare second-generation star discovered inside ancient relic dwarf galaxy

Discovered in the Pictor II dwarf galaxy, star PicII-503 has an extreme deficiency in iron—less than 1/40,000th of the sun. This signature makes it the clearest example of a star within a primordial system that preserves ...

Astronomy Mar 12, 2026

Webb spots details in nearby spiral galaxy NGC 5134

Two powerful instruments of the NASA/ESA/CSA James Webb Space Telescope joined forces to create this scenic galaxy view. This spiral galaxy is named NGC 5134, and it is located 65 million light-years away in the constellation ...

Astronomy Mar 12, 2026

We are not alone: Our sun escaped together with stellar 'twins' from galaxy center

Researchers have uncovered evidence for our sun joining a mass migration of similar "twins" leaving the core regions of our galaxy, 4 to 6 billion years ago. The team created and studied an unprecedentedly accurate catalog ...

Astronomy Mar 11, 2026

Galaxy-group motion suggests slower expansion in our cosmic neighborhood

Two new studies have measured the expansion of the universe in our immediate cosmic neighborhood using a novel method that analyzes the motion of two nearby galaxy groups within their surrounding cosmic flow. The results ...

Astronomy Mar 10, 2026

Astrophysicists trace the origin of valuable metals in space, from colliding stars to merging galaxies

Billions of light years away in a remote part of the universe, two neutron stars—the ultradense remnants of dead stars—collided. The catastrophic cosmic event sent light and particles, including a sudden flash of gamma rays, ...

Astronomy Mar 10, 2026

Strange cosmic burst from colliding galaxies shines light on heavy elements

A recently detected flash of energy appears to have emanated from the wreckage of colliding galaxies, according to an international team of astronomers led by Penn State scientists. The burst, known as GRB 230906A, was likely ...

Astronomy Mar 7, 2026

The coldest 'stars' in the galaxy might actually be alien megastructures

Ever since physicist Freeman Dyson first proposed the concept in 1960, the "Dyson sphere" has been the holy grail of techno-signature hunters. A highly advanced civilization could build a "sphere" (or, in our more modern ...

Astronomy Mar 3, 2026

HETDEX data reveal a vast 'sea of light' between early galaxies

Astronomers with the Hobby-Eberly Telescope Dark Energy Experiment (HETDEX) have used data from the project to make the largest, most accurate 3D map yet of the light emitted by excited hydrogen in the early universe, 9 billion ...

Astronomy Feb 26, 2026

Image: Intermediate spiral galaxy NGC 941

NGC 941 is located approximately 55 million light-years away in the constellation Cetus. This faint galaxy is classified as an intermediate spiral, exhibiting characteristics between a barred spiral with a central bar and ...

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