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Astronomy news
Extremely Large Telescope could sense hints of life at Proxima Centauri in just 10 hours, simulations suggest
The Extremely Large Telescope (ELT), currently under construction in northern Chile, will give us a better view of the Milky Way than any ground-based telescope before it. It's difficult to overstate how transformative it ...
Astronomy
7 hours ago
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A simulated universe works better when dark energy changes over time
Dark energy is a mystery so daunting that it stretches and strains our most robust theories. The universe is expanding, driven by the unknown force that we've named Dark Energy. Dark Energy is also accelerating the rate of ...
Astronomy
7 hours ago
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Cosmic anomaly hints at frightening future for Milky Way
A terrifying glimpse at one potential fate of our Milky Way galaxy has come to light thanks to the discovery of a cosmic anomaly that challenges our understanding of the universe.
Astronomy
7 hours ago
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Hubble sees a spiral and a star in the constellation Virgo
This NASA/ESA Hubble Space Telescope image features a sparkling spiral galaxy paired with a prominent star, both in the constellation Virgo. While the galaxy and the star appear to be close to one another, even overlapping, ...
Astronomy
Mar 20, 2025
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Astronomers discover 2,674 dwarf galaxies using Euclid telescope
ESA's Euclid space telescope has been providing valuable data from the depths of space for almost two years. With its help, the largest and most accurate 3D map of the universe to date is to be created, with billions of stars ...
Astronomy
Mar 20, 2025
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Concept for interstellar object encounters developed, then simulated using a spacecraft swarm
Interstellar objects are among the last unexplored classes of solar system objects, holding tantalizing information about primitive materials from exoplanetary star systems. They pass through our solar system only once in ...
Astronomy
Mar 20, 2025
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Would we know if a supernova was about to hit the Earth?
We know that regular supernovas pose no existential threat to life on Earth in the near-term. But there are other varieties of supernova that are a little bit harder to predict, and a little bit harder to spot.
Astronomy
Mar 20, 2025
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Astro-challenge: Following Venus from dusk until dawn
Up for a challenge? If skies are clear, you may be able to complete a rare feat of visual athletics this coming weekend, and follow Venus on its trek from the evening into the morning sky.
Astronomy
Mar 20, 2025
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DESI releases largest 3D map of the universe to date
The Dark Energy Spectroscopic Instrument (DESI) is mapping millions of celestial objects to better understand dark energy—the mysterious driver of our universe's accelerating expansion. Today, the DESI collaboration released ...
Astronomy
Mar 20, 2025
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Oxygen discovered in most distant known galaxy
Two different teams of astronomers have detected oxygen in the most distant known galaxy, JADES-GS-z14-0. The discovery, reported in two separate studies, was made possible thanks to the Atacama Large Millimeter/submillimeter ...
Astronomy
Mar 20, 2025
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FAST detects new ultra-faint dwarf galaxy
Using the Five-hundred-meter Aperture Spherical radio Telescope (FAST), Chinese astronomers have detected a new ultra-faint dwarf galaxy, which turned out to be gas-rich. The finding was reported in a research paper published ...
Cosmic dark energy may be weakening, astronomers say, raising questions about the fate of the universe
The universe has been expanding ever since the Big Bang almost 14 billion years ago, and astronomers believe a kind of invisible force called dark energy is making it accelerate faster.
Astronomy
Mar 20, 2025
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What is dark energy? One of science's great mysteries, explained
Dark energy makes up roughly 70% of the universe, yet we know nothing about it.
Astronomy
Mar 20, 2025
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Dark energy seems to be changing, rattling our view of universe
Dark energy, the mysterious force thought to be driving the ever-faster expansion of the universe, appears to be changing over time, according to new observations released Wednesday.
Astronomy
Mar 20, 2025
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How will the universe end? A changing understanding of dark energy may provide a new answer
Scientists are homing in on the nature of a mysterious force called dark energy, and nothing short of the fate of the universe hangs in the balance.
Astronomy
Mar 20, 2025
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Latest dark energy survey data suggest possible variations in dark energy over time
A new study using the Dark Energy Survey (DES) final datasets suggests potential inconsistencies in the standard cosmological model, known as ΛCDM. If confirmed, these findings could fundamentally alter our understanding ...
Astronomy
Mar 19, 2025
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Can any nearby supernova cause a mass extinction?
The most dangerous parts of a supernova explosion are the outputs like X-rays and gamma rays. Even though they only share a small fraction of a supernova's power, they are extremely dangerous. But they're not going to disintegrate ...
Astronomy
Mar 19, 2025
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Astronomers discover 'space tornadoes' around the Milky Way's core
Swirling through the Milky Way's central zone, in the turbulent region surrounding the supermassive black hole at the core of our galaxy, dust and gases constantly churn as energetic shock waves ripple throughout. An international ...
Astronomy
Mar 19, 2025
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'Dark universe detective' telescope releases first data
Europe's Euclid space telescope, which is on a mission to shed light on the mysteries of dark matter and dark energy, released its first data Wednesday with a little help from volunteers and artificial intelligence.
Astronomy
Mar 19, 2025
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Observations detect a companion star to T Coronae Australis
Using the Very Large Telescope Interferometer (VLTI), an international team of astronomers has observed a young Herbig Ae-type star known as T Coronae Australis. As a result, they found that the star has a companion separated ...
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