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Astronomy

Artist's illustration of filaments extending from a supernova witnessed in the year 1181.

Ancient Supernova’s ‘Dandelion Petals’ Mapped in 3D for First Time

Infographic describing how the Betelbuddy affects Betelgeuse's apparent brightness.

Betelgeuse, Betelgeuse: Mysterious Companion Key to Its Pulsing Brightness

Cradled within the fiery petals of the Rosette Nebula is NGC 2244, the young star cluster which it nurtured. The cluster’s stars light up the nebula in vibrant hues of red, gold and purple, and opaque towers of dust rise from the billowing clouds around its excavated core. This image, captured by 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, a Program of NSF NOIRLab, is being released in celebration of NOIRLab’s fifth anniversary.

Radiant Stars at the Heart of a Cosmic Rose

This artist’s impression of a planet-forming disk surrounding a young star shows a swirling "pancake" of hot gas and dust from which planets form. Using the James Webb Space Telescope, the team obtained detailed images showing the layered, conical structure of disk winds – streams of gas blowing out into space.

Webb Space Telescope reveals elusive details in young star systems

A comparison of JunoCam data from April 2024 with imagery from the Galileo mission of the same area in November 1997 (greyscale insert) reveals a new volcanic feature on the surface of Jupiter’s moon, Io.

New Volcano Discovered on Jupiter’s Moon Io in First Close-Up Images in 25 Years

Formation of super-Earths proven limited near metal-poor stars

The galaxy cluster MACS-J0417.5-1154 is so massive that it bends the fabric of space-time. This causes the appearance of galaxies behind it to be distorted, an effect known as gravitational lensing. This natural phenomenon magnifies distant galaxies and can also make them appear in an image multiple times, as NASA's James Webb Space Telescope has observed. In this image, two distant, interacting galaxies - a face-on spiral and a dusty red galaxy seen from the side - appear multiple times, tracing a familiar shape across the sky. The fact that these galaxies are actively forming stars and that the face-on galaxy's spiral shape is remarkably intact indicates that their interaction is just beginning.

Webb Telescope Unveils Rare Cosmic ‘Question Mark’ in Distant Galaxy

Artist’s impression of the interacting galaxies observed in this research. The gravitational interactions during the merger trigger both starburst and quasar activity.

Galaxy Merger Reveals Birth of Cosmic ‘Monster’ 12.8 Billion Years Ago

One of the few galaxies with a well-studied stellar halo is our neighbor, Andromeda, depicted here in the graphic. The reason Andromeda’s halo can be investigated so thoroughly is simply a matter of distance, both being close enough and bright enough that we can see the full picture with our current class of telescopes.

NASA’s Roman Space Telescope Set to Unveil Galactic History and Dark Matter Secrets

Terzan 5, located in the constellation Sagittarius, is a crowded globular cluster home to hundreds of thousands of stars.Ten unusual and exotic pulsars were recently discovered by an international team of astronomers from the U.S. National Science Foundation National Radio Astronomy Observatory, the Max Planck Institute for Gravitational Physics (Albert Einstein Institute) (AEI), and the Max Planck Institute for Radio Astronomy

Telescope Tag-Team Discovers Galactic Cluster’s Bizarre Secrets

This illustration depicts a binary star system consisting of a dense neutron star and a normal Sun-like star (upper left). Using data from the European Space Agency's Gaia mission, astronomers found several systems like this one, in which the two bodies are widely separated. Because the bodies in these systems are far apart, with separations on average 300 times the size of a Sun-like star, the neutron star is dormant—it is not actively stealing mass from its companion and is thus very faint. To find these hidden neutron stars, the scientists used Gaia observations to look for a wobble in the Sun-like stars caused by a tugging action of the orbiting neutron stars. These are the first neutron stars discovered purely due to their gravitational effects.

Sun-like stars found orbiting hidden companions

An artist’s impression showing bi-polar jets of gas originating from a supermassive black hole at the centre of a galaxy.

How the ‘heart and lungs’ of a galaxy extend its life

The likely position of Omega Centauri star cluster’s intermediate black hole. From left to right, each panel zooms in closer to the system.

Astronomers find missing link in massive black hole formation

This image shows two panels side by side. The right panel illustrates a spinning top precessing due to gravitational force. The left panel depicts the Galactic disk warp, which behaves similarly to the spinning top. The warp moves in a graceful pattern under the influence of the dark matter halo's gravitational pull. This illustration was created by HOU Kaiyuan and DONG Zhanxun from Shanghai Jiao Tong University.

Milky Way’s Dark Matter Halo Shape Revealed by Galactic Disk Warp

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