Astronomy News | Sci.News

This artist’s impression shows the evolution of the Universe beginning with the Big Bang on the left followed by the appearance of the Cosmic Microwave Background. The formation of the first stars ends the cosmic dark ages, followed by the formation of galaxies. Image credit: M. Weiss / Harvard-Smithsonian Center for Astrophysics.

Our Universe Has Already Entered Decelerating Phase, Study Suggests

Nov 6, 2025 by News Staff

New research from Yonsei University in Seoul, Korea, casts doubt on the long-standing theory that dark energy is driving distant galaxies away increasingly...

An artist’s impression of a Sun-like star engulfing a giant exoplanet. Image credit: International Gemini Observatory / NOIRLab / NSF / AURA / M. Garlick / M. Zamani

Aging Stars May Be Destroying Close-In Giant Exoplanets, Astronomers Say

Nov 5, 2025 by News Staff

At the end of their main-sequence life span, stars similar in mass to our Sun will undergo a period of evolution. This stellar evolution is predicted to...

This Webb image shows the Red Spider Nebula. Image credit: NASA / ESA / CSA / Webb / J.H. Kastner, Rochester Institute of Technology.

Webb Captures Red Spider Nebula

Nov 4, 2025 by Enrico de Lazaro

Using the Near-InfraRed Camera (NIRCam) onboard the NASA/ESA/CSA James Webb Space Telescope, astronomers have captured a new image of the Red Spider Nebula,...

This Hubble image shows NGC 4102, an intermediate spiral galaxy 55.4 million light-years away in the constellation of Ursa Major. Image credit: NASA / ESA / Hubble / G. Fabbiano.

Hubble Space Telescope Snaps New Image of NGC 4102

Nov 3, 2025 by Enrico de Lazaro

The NASA/ESA Hubble Space Telescope reveals a luminous galactic center and majestic spiral arms in this new view of NGC 4102. This Hubble image shows NGC...

This VST image shows a cloud of gas and dust, shaped like a cosmic bat. The intense red glow comes from hydrogen atoms ionized by the intense radiation of young stars within the cloud. The most prominent objects here are RCW 94, which represents the right wing of the bat, and RCW 95, which forms the body, while the other parts of the bat have no official designation. Image credit: ESO / VPHAS+ Team / VVV Team.

VST Spots ‘Cosmic Bat’ in Southern Sky

Oct 31, 2025 by News Staff

Astronomers using ESO’s VLT Survey Telescope have captured a beautiful image of a large nebula, whose mesmerizing appearance resembles the silhouette...

Faizal et al. show that the fundamental nature of reality operates in a way that no computer could ever simulate. Image credit: Gemini AI.

Universe Is Not a Computer Simulation, New Study Says

Oct 30, 2025 by News Staff

A team of physicists from Canada, the United States, the United Kingdom and Italy has mathematically shown that our Universe is built on a type of understanding...

These images show the location of CO-dark molecular gas in Cygnus X. Image credit: NSF / AUI / NSF’s NRAO / P.Vosteen.

Green Bank Telescope Maps Cool ‘Dark’ Gas in Cygnus X

Oct 29, 2025 by News Staff

Astronomers using the Green Bank Telescope (GBT) have created the large-scale maps of carbon monoxide (CO)-dark molecular gas for the star-forming complex...

The hot-Jupiter WASP-18b. Image credit: NASA’s Goddard Space Flight Center.

Astronomers Create 3D Temperature Map of Hot-Jupiter WASP-18b

Oct 28, 2025 by News Staff

The new map of WASP-18b, a hot-Jupiter exoplanet located approximately 325 light-years from Earth, reveals an atmosphere with distinct temperature zones...

An artist’s depiction of a coronal mass ejection from EK Draconis. Image credit: NAOJ.

Astronomers Detect Coronal Mass Ejections from Young Sun-Like Star

Oct 28, 2025 by News Staff

Down here on Earth we don’t usually notice, but the Sun is frequently ejecting huge masses of plasma into space. These are called coronal mass ejections...

An artist’s impression of the binary stellar system TOI-2267. Image credit: Mario Sucerquia, University of Grenoble Alpes.

Astronomers Find Three Earth-Sized Exoplanets in Compact Binary System

Oct 27, 2025 by Natali Anderson

The binary stellar system TOI-2267 likely harbors two warm Earth-sized exoplanets and an additional Earth-sized candidate, according to a new paper published...

This Hubble image shows NGC 4571, a spiral galaxy some 60 million light-years away in the constellation of Coma Berenices. Image credit: NASA / ESA / Hubble / F. Belfiore / J. Lee / PHANGS-HST Team.

Hubble Space Telescope Captures Stunning New View of NGC 4571

Oct 27, 2025 by Enrico de Lazaro

This image taken with the NASA/ESA Hubble Space Telescope provides a detailed new look at the star-studded spiral galaxy NGC 4571. This Hubble image shows...

An artist’s conception of the Gliese 251 system, showing Gliese 251c (left), its host star (right), and the previously-discovered planet Gliese 251b (middle). Image credit: Michael Marcheschi / m2design.

Super-Earth Candidate Found in Habitable Zone of Gliese 251

Oct 23, 2025 by Natali Anderson

Gliese 251 is an early red dwarf star and the 74th closest star system to our Sun. An artist’s conception of the Gliese 251 system, showing Gliese 251c...

The model proposed by Eto et al. suggests a brief knot-dominated era, when these tangled energy fields outweighed everything else, a scenario that could be probed through gravitational-wave signals. Image credit: Muneto Nitta / Hiroshima University.

Cosmic ‘Knots’ May Have Briefly Dominated Newborn Universe, Physicists Say

Oct 22, 2025 by News Staff

Knots emerge in various fields of mathematics and physics today. A team of physicists from Japan and Germany suggests that, during the early Universe,...

An artist’s impression of the SVS 13A system. Image credit: NSF / AUI / NSF’s NRAO / P.Vosteen.

ALMA Captures Spiral-Shaped Gas Streamer Guided by Magnetic Fields in Star-Forming Region

Oct 21, 2025 by News Staff

This streamer of gas is channeling matter from the surrounding cloud of a star-forming region in Perseus directly onto a newborn binary star system called...

Circles indicate distinct SolarBird app observations submitted on April 8, 2024. Image credit: Aguilar et al., doi: 10.1126/science.adx3025.

Total Solar Eclipses Can Trigger Dawn Behavior in Birds, Scientists Say

Oct 21, 2025 by News Staff

On April 8, 2024, a total solar eclipse disrupted light-dark cycles for North American birds during the lead-up to spring reproduction. Compiling more...

NIRC2 image of J1446 taken in August 2023; the white arrow indicates the location of the new companion J1446B. Image credit: Uyama et al., doi: 10.3847/1538-3881/ae08b6.

Astronomers Directly Image Brown Dwarf around Nearby Red Dwarf Star

Oct 21, 2025 by News Staff

Using a combination of the Subaru Telescope, the W. M. Keck Observatory, ESA’s Gaia mission, astronomers have imaged a brown-dwarf companion around the...

This view shows the entire sky at energies greater than 1 GeV based on five years of data from the LAT instrument on NASA’s Fermi Gamma-ray Space Telescope; the most prominent feature is the bright band of diffuse glow along the map’s center, which marks the central plane of our Milky Way Galaxy. Image credit: NASA / DOE / Fermi LAT Collaboration.

Milky Way’s Galactic Center Excess is Due to Dark Matter Annihilation: Study

Oct 20, 2025 by News Staff

The Galactic Center excess is an unexpected concentration of gamma-rays emerging from the center of our Milky Way Galaxy. This view shows the entire sky...

This Hubble image shows NGC 3370, a spiral galaxy some 90 million light-years away in the constellation of Leo. Image credit: NASA / ESA / Hubble / A. Riess / K. Noll.

Hubble Space Telescope Observes NGC 3370

Oct 20, 2025 by Enrico de Lazaro

Astronomers using the NASA/ESA Hubble Space Telescope have obtained a new image of the nearly face-on spiral galaxy NGC 3370. This Hubble image shows NGC...

This artist’s impression shows the evolution of heavy water molecules as they have been observed in giant molecular clouds, a planet forming-disk, and comets -- before they eventually may have made their way to Earth. Image credit: NSF / AUI / NSF’s NRAO / P. Vosteen / B. Saxton.

ALMA Detects Heavy Water in Planet-Forming Disk around Distant Protostar

Oct 17, 2025 by News Staff

Astronomers using the Atacama Large Millimeter/submillimeter Array (ALMA) have detected doubly deuterated water (D2O), or ‘heavy water,’ in the protoplanetary...