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An asteroid heading towards earth. Getty images.

Earth Can Protect Itself: Here’s How We’d Stop an Asteroid in Its Tracks

February 23, 2025

The Milky Way. This image is constructed from data from the ESA's Gaia mission that's mapping over one billion of the galaxy's stars. Image Credit: ESA/Gaia/DPAC

The Cosmic Morse Code: How 21cm Radiation Reveals the Milky Way’s Secrets

February 22, 2025

PIA26274: A Magnetar Loses Mass (Artist's Concept)

The Universe’s Most Elusive Signal Has Arrived—And It’s More Powerful Than Ever

February 22, 2025

(Image credit: NASA/JPL-Caltech/SETI Institute)

Jupiter’s Icy, Forgotten Moon Just Became One of the Most Exciting Places in the Solar System

February 20, 2025

what happens if you stand in the path of a wandering black hole

February 19, 2025

It is believed that 4.4 billion years ago, a celestial body (Theia) slammed into Earth and produced the Moon. Image Credit: NASA/JPL-Caltech

4.4 Billion Years Ago, a Planet Collided with Earth—And Changed Everything

February 19, 2025

This computer-simulated image shows a supermassive black hole at the core of a galaxy. The black region in the center represents the black hole's event horizon, where no light can escape the massive object's gravitational grip. The black hole's powerful gravity distorts space around it like a funhouse mirror. Light from background stars is stretched and smeared as the stars skim by the black hole. Credit: NASA, ESA, and D. Coe, J. Anderson, and R. van der Marel (STScI)

The Milky Way’s Heart Is on Fire: JWST Captures Explosive Black Hole Flares

February 18, 2025

Artist's impression of the Yellow Hypergiant star Rho Cassiopeiae around which gas shells form due to recurring outbursts observed in the last 130 years. Credit: Alex Lobel

The Violent Life of Rho Cassiopeiae: A Star on the Edge of Explosion

February 18, 2025

A mysterious isotope shift in ytterbium led scientists on a journey of discovery, revealing secrets about the structure of atomic nuclei. While hopes of a new dark force remain unproven, the findings provide crucial clues about the fundamental nature of matter and neutron stars.

A Strange Atomic Phenomenon Could Be Our Best Clue to Dark Matter Yet

February 17, 2025

An artist’s rendition of a supermassive black hole being a “messy eater.” Sometimes matter can be flung off at high speeds in the form of jets—which may create the conditions for stars to form.

The Milky Way Is on a Collision Course with a Black Hole—It’s Only a Matter of Time

February 17, 2025

This artist’s concept visualizes a super-Neptune world orbiting a low-mass star near the center of our Milky Way galaxy. Scientists recently discovered such a system that may break the current record for fastest exoplanet system, traveling at least 1.2 million miles per hour, or 540 kilometers per second. NASA/JPL-Caltech/R. Hurt (Caltech-IPAC)

This Planet May Soon Escape the Milky Way’s Gravitational Grip

February 16, 2025

A zoom-in of the main image. Are planets forming in here somewhere? Rocky ones in habitable zones? Image Credit: International Gemini Observatory/NOIRLab/NSF/AURA Image Processing: J. Miller & M. Rodriguez (International Gemini Observatory/NSF NOIRLab), T.A. Rector (University of Alaska Anchorage/NSF NOIRLab), M. Zamani (NSF NOIRLab)

Discover the Fiery Beauty of NGC 2040—A Star Cluster in Cosmic Bloom

February 16, 2025

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Astrophysics

Home Category Astrophysics

Asteroid

Earth Can Protect Itself: Here’s How We’d Stop an Asteroid in Its Tracks

by nasaspacenews

February 23, 2025

Astronomy

The Cosmic Morse Code: How 21cm Radiation Reveals the Milky Way’s Secrets

February 22, 2025

Astronomy

The Universe’s Most Elusive Signal Has Arrived—And It’s More Powerful Than Ever

February 22, 2025

Astronomy

Jupiter’s Icy, Forgotten Moon Just Became One of the Most Exciting Places in the Solar System

February 20, 2025

Astronomy

what happens if you stand in the path of a wandering black hole

February 19, 2025

The newly discovered giant radio galaxy "Inkathazo." The glowing plasma jets, as seen by the MeerKAT telescope, are shown in red and yellow. The starlight from other surrounding galaxies can be seen in the background. Credit: K.K.L Charlton (UCT), MeerKAT, HSC, CARTA, IDIA (CC BY 4.0)

Astronomers Discover Inkathazo, a Radio Galaxy Stretching Over 3 Million Light-Years

by nasaspacenews

January 21, 2025

In a discovery that has sent ripples across the astronomical community, scientists have identified a gargantuan giant radio galaxy (GRG)...

This the largest photomosaic ever assembled from NASA/ESA Hubble Space Telescope observations. It is a panoramic view of the neighboring Andromeda galaxy, located 2.5 million light-years away. Image Credit: NASA, ESA, B. Williams (University of Washington)

Hubble’s Largest Image Ever: Andromeda Galaxy Like You’ve Never Seen Before

by nasaspacenews

January 21, 2025

The universe is vast and mysterious, but with the help of groundbreaking technology, humanity continues to peel back its layers....

By combining data from the DESI Legacy Imaging Surveys and the Gemini South telescope, astronomers have investigated three ultra-faint dwarf galaxies that reside in a region of space isolated from the environmental influence of larger objects. The galaxies, located in the direction of NGC 300, were found to contain only very old stars, supporting the theory that events in the early Universe cut star formation short in the smallest galaxies. These images were taken for the DECam Legacy Survey (DECaLS), one of three public surveys that jointly imaged 14,000 square degrees of sky to provide targets for the ongoing Dark Energy Spectroscopic Instrument (DESI) Survey. DECals was conducted using the 570-megapixel Department of Energy-fabricated Dark Energy Camera (DECam), mounted on the U.S. National Science Foundation Víctor M. Blanco 4-meter Telescope at Cerro Tololo Inter-American Observatory (CTIO) in Chile, a Program of NSF NOIRLab. Credits: DECaLS/DESI Legacy Imaging Surveys/LBNL/DOE & KPNO/CTIO/NOIRLab/NSF/AURA Image Processing: T.A. Rector (University of Alaska Anchorage/NSF NOIRLab), M. Zamani (NSF NOIRLab) & D. de Martin (NSF NOIRLab) Usage Restrictions

Ghost Town Galaxies Discovered! What They Tell Us About Star Formation

by nasaspacenews

January 20, 2025

Nestled in the vastness of space, three ultra-faint dwarf galaxies—Sculptor A, B, and C—have recently been discovered, capturing the attention...

Illustration of the expansion of the universe. (Image credit: Mark Garlick/Science Photo Library/Getty Images)

Did Quantum Foam Drive Cosmic Inflation? A Bold New Theory Emerges

by nasaspacenews

January 20, 2025

The story of the early universe is one of incredible mystery and rapid change. Shortly after the Big Bang, the...

An artist impression of young star formation in the Large Magellanic Cloud. Massive and low-mass stars appear within nebulous gas within which they are born. Credit: NSF/AUI/NSF NRAO/S.Dagnello

A Rare Celestial Event: Witnessing the Birth of a Super Star Cluster

by nasaspacenews

January 20, 2025

Astronomy has once again offered us a window into the past with the discovery of a newly forming super star...

30 of the exocomet belts, as imaged in this study, showing the extreme variation in such belts. Credit: Prof Luca Matra, Trinity College Dublin.

Exploring the Universe’s Ice Rings: The Discovery of 74 Exocomet Belts

by nasaspacenews

January 19, 2025

The mysteries of the cosmos continue to unfold with the latest breakthrough by astrophysicists from Trinity College Dublin. For the...

Evolution of a "Blue Lurker" Star in a Triple System. Panel 1: A triple star system containing three sun-like stars. Two are very tightly orbiting. The third star has a much wider orbit. Panel 2: The close stellar pair spiral together and merge to form one more massive star. Panel 3: The merged star evolves into a giant star. As the huge photosphere expands, some of the material falls onto the outer companion, causing the companion to grow larger and its rotation rate to increase. Panels 4–5: The central merged star eventually burns out and forms a massive white dwarf, and the outer companion spirals in towards the white dwarf, leaving a binary star system with a tighter orbit. Panel 6: The surviving outer companion is much like our sun but nicknamed a "blue lurker." Although it is slightly brighter bluer than expected because of the earlier mass-transfer from the central star and is now rotating very rapidly, these features are subtle. The star could easily be mistaken for a normal sun-like star despite its exotic evolutionary history. Credit: NASA, ESA, Leah Hustak (STScI)

The Star That Hid in Plain Sight: Hubble’s Blue Lurker Discovery Explained

by nasaspacenews

January 18, 2025

The universe is brimming with fascinating phenomena, and the Hubble Space Telescope has once again brought us closer to understanding...

Artist’s impression of GJ 1214 b passing in front of its host star. The “transit method” allows astronomers to study an exoplanet by seeing which wavelengths of light dim when the star’s light passes through the exoplanet atmosphere. Credit: NAOJ

Discover the New Planet Everyone’s Talking About: GJ 1214 b Revealed by James Webb

by nasaspacenews

January 18, 2025

The universe is a vast and intricate tapestry, filled with planets and systems that defy our expectations. Recently, the James...

An illustration of two entangled molecules which are individually trapped in magic-wavelength optical tweezers. Credit: Durham University

Hubble’s V1: The Star That Proved the Universe is Bigger Than We Imagined

by nasaspacenews

January 18, 2025

A century ago, Edwin Hubble discovered a Cepheid variable star in the Andromeda Galaxy, a moment that forever altered humanity’s...

In commemoration of Edwin Hubble's discovery of a Cepheid variable class star, called V1, in the neighboring Andromeda galaxy 100 years ago, astronomers partnered with the American Association of Variable Star Observers (AAVSO) to study the star. AAVSO observers followed V1 for six months, producing a plot, or light curve, of the rhythmic rise and fall of the star's light. Based on this data, the Hubble Space Telescope was scheduled to capture the star at its dimmest and brightest light. Edwin Hubble's observations of V1 became the critical first step in uncovering a larger, grander universe than some astronomers imagined at the time. Once dismissed as a nearby "spiral nebula" measurements of Andromeda with its embedded Cepheid star served as a stellar milepost marker. It definitively showed that Andromeda was far outside of our Milky Way. Edwin Hubble went on to measure the distances to many galaxies beyond the Milky Way by finding Cepheid variables within those levels. The velocities of those galaxies, in turn, allowed him to determine that the universe is expanding. Credit: NASA, ESA, Hubble Heritage Project (STScI, AURA)

How One Star in Andromeda Redefined Humanity’s Place in the Universe

by nasaspacenews

January 16, 2025

One hundred years ago, Edwin Hubble redefined humanity’s understanding of the cosmos with a single groundbreaking observation. Using the 100-inch...

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