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Weighing in on the mystery of the gravitational constant

The time had come to open the envelope, but Stephan Schlamminger, a physicist at the National Institute of Standards and Technology (NIST), wasn't sure he wanted to know the secret number that lay inside. For the past 10 ...

Dark matter could explain the earliest supermassive black holes

A growing mystery in astronomy is the presence of gargantuan black holes—some weighing as much as a billion suns—existing less than a billion years after the Big Bang. According to the standard theory of black hole formation, ...

Astronomers reveal always-changing multi-planet system

Astronomers at The University of New Mexico have published new research confirming three bodies orbiting the dynamic exoplanet system TOI-201. They include a super-Earth (TOI-201 d), a warm Jupiter (TOI-201 b), and a brown ...

The universe's most powerful telescope

SN 2025mkn is a Type II supernova and it wasn't supposed to be visible at all. The violent death of a massive star that had exhausted its nuclear fuel and collapsed under its own gravity sits at a redshift of 1.371. That ...

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Astronomy
Torsion balances set strongest direct limits yet on ultralight dark matter
Astronomy
Could dark matter be made of black holes from a different universe?
Astronomy
Chandra explores interstellar medium of a bright low-mass X-ray binary
Astronomy
Webb redefines the dividing line between planets and stars
Astronomy
Shredded stars reveal how black holes ignite trillion-sun flares
Astronomy
Information from starquakes provides theoretical evidence for 'fossilized' magnetism in stars
Astronomy
The quietest place we've ever listened from
Astronomy
Self-interacting dark matter may solve three cosmic puzzles
Astronomy
See and hear galaxies evolve from the dawn of the universe
Astronomy
Why do some stars in the galactic center survive while others are destroyed?
Astronomy
First Proba-3 science: Surprisingly speedy solar wind found in inner corona
Astronomy
Astronomers find the strongest evidence yet for the universe's first stars
Astronomy
Space telescopes track nearby quasar's dramatic X-ray state transition
Astronomy
Advanced mirror technology now powers a breakthrough X-ray telescope
Astronomy
Scientists spot a solar flare with surprising spectral behavior
Astronomy
Astronomers find evidence for three subpopulations of merging black holes
Astronomy
Peculiar core-collapse supernova breaks the mold with a long, dim plateau
Astronomy
Subaru Telescope sheds light on Jupiter Trojan asteroids' color mystery
Astronomy
Major new telescope on Chilean summit opens window on universe
Astronomy
ESA's Celeste broadcasts first navigation signal from low Earth orbit

Other news

Earth Sciences
The Colorado River disappeared from the geological record for 5 million years: Scientists now know where it went
Earth Sciences
Indonesia's fire crisis comes into focus as high-resolution satellite maps expose 5.62 million hectares affected
Plants & Animals
DNA cracks nutmeg's hidden past, revealing a South Moluccas origin and a prehuman journey north
Archaeology
First archaeological case of cleft lip identified in China reveals inclusive care in Qing dynasty community
Cell & Microbiology
Antioxidant glutathione discovered to play a key role in proper protein folding
Plants & Animals
Parrots are not just mimicking words—they use proper names like humans to identify individuals
Soft Matter
Quantum-informed AI improves long-term turbulence forecasts while using far less memory
Earth Sciences
Machine learning detects more than 60,000 earthquakes during 2025 Santorini sequence
Ecology
Warmer streams may be draining river food webs by sending more carbon into the air
Analytical Chemistry
Platinum-free catalyst splits hydrogen from water for energy, running 1,000 hours at industry standards
Bio & Medicine
Nanobody repairs misfolded CFTR inside cells, boosting function in cystic fibrosis
Plants & Animals
Want to restore oyster reefs? Find a site where they don't wash away or become buried under the sand
Biotechnology
Two bacteria join forces to turn chemical signals into electricity, opening up low-cost sensing options
Biotechnology
Shrink, remove and modify: Team successfully 'trims' wheat chromosomes
Bio & Medicine
Medicine's next leap: Delivering gene therapies exactly where they're needed
Planetary Sciences
Volunteers discover rare space weather events using their ears
Plasma Physics
Researchers directly observe muonic molecules critical to muon catalyzed fusion
Cell & Microbiology
AI-powered tool could speed treatments for antibiotic-resistant bacteria by pinpointing potent peptides
Earth Sciences
Ocean bottom seismometers could improve earthquake warning times in Pacific Northwest
Biotechnology
Q&A: Will agentic AI replace human scientists?

Chandra resolves why black holes hit the brakes on growth

Astronomers have an answer for a long-running mystery in astrophysics: why is the growth of supermassive black holes so much lower today than in the past? A study using NASA's Chandra X-ray Observatory and other X-ray telescopes ...

Hubble revisits Crab Nebula to track 25 years of expansion

Nearly a millennium ago, astronomers witnessed a brilliant new star blazing in the sky—a supernova so bright it was visible in daylight for weeks. Today, its expanding remnant, the Crab Nebula, continues to evolve 6,500 light-years ...

Saturn-mass world discovered orbiting two low-mass stars

Researchers report the discovery of a Saturn-sized exoplanet orbiting two M-dwarf stars, which are smaller and cooler than our sun. The findings from this discovery were published in the The Astronomical Journal and were ...