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An artist’s impression of V404 Cygni: the central black hole (black dot) is in the process of consuming a nearby star (orange body at left), while a second star (upper white flash) orbits at a much farther distance. Image credit: Jorge Lugo.

Black Hole-Hosting Binary V404 Cygni is Actually Part of Triple System, Astrophysicists Say

Oct 24, 2024 by News Staff

The well-studied V404 Cygni, an X-ray binary hosting a low-mass black hole, is part of a wide hierarchical triple with a tertiary companion at least 3,500...

NGC 1270 is just one member of the Perseus cluster, an enormous group of thousands of galaxies that lies around 240 million light-years from Earth in the constellation of Perseus. Image credit: International Gemini Observatory / NOIRLab / NSF / AURA / J. Miller & M. Rodriguez, International Gemini Observatory & NSF NOIRLab / T.A. Rector, University of Alaska Anchorage & NSF NOIRLab / M. Zamani, NSF NOIRLab / PI: Jisu Kang, Seoul National University.

Gemini North Telescope Focuses on Giant Elliptical Galaxy in Perseus Cluster

Oct 23, 2024 by Enrico de Lazaro

Using the Gemini Multi-Object Spectrograph (GMOS) on the Gemini North telescope at NSF’s International Gemini Observatory, operated by NOIRLab, astronomers...

Graphical depiction of Betelgeuse and the Betelbuddy. Image credit: Lucy Reading-Ikkanda / Simons Foundation.

Betelgeuse is a Binary Star, New Research Suggests

Oct 23, 2024 by News Staff

Betelgeuse, also known as Alpha Orionis or Alpha Ori, is the second-closest red supergiant to Earth. From November 2019 to March 2020, this star experienced...

This Hubble image shows the ram pressure-stripped spiral galaxy IC 3225. Image credit: NASA / ESA / Hubble / M. Sun.

Hubble Finds Ram Pressure-Stripped Spiral Galaxy in Virgo Cluster: IC 3225

Oct 21, 2024 by Enrico de Lazaro

Early galaxies are dominated by bright clumps, which are larger and more massive than in the local Universe. The star formation activity is strongly influenced...

This artwork highlights a pair of brown dwarfs, named Gliese 229 Ba and Gliese 229 Bb. Image credit: K. Miller / R. Hurt / Caltech / IPAC.

Gliese 229B is Actually Compact Pair of Brown Dwarfs, Astronomers Find

Oct 17, 2024 by News Staff

Gliese 229B was the first known brown dwarf, discovered in 1995. In new research, astronomers observed Gliese 229 B with the GRAVITY interferometer...

This is an artist's impression of an asteroid breaking up. Credit: NASA / JPL-Caltech.

Most of Earth’s Meteorites Came from Few Asteroid Breakup Events, Research Suggests

Oct 16, 2024 by News Staff

New research shows that approximately 70% of meteorites originate from at least three recent break-ups of massive asteroids. This is an artist’s...

This artist’s impression shows the view from the surface of one of the exoplanets in the TRAPPIST-1 planetary system. Image credit: ESO / M. Kornmesser / Spaceengine.org.

Allen Telescope Array Searches for Radio Technosignatures from TRAPPIST-1 System

Oct 16, 2024 by News Staff

The TRAPPIST-1 system is a compact system of at least seven exoplanets with sizes similar to Earth. Penn State and SETI Institute astronomers spent 28...

Two stars in the R Aquarii binary system are separated by about 1.6 billion miles. Image credit: NASA / ESA / Matthias Stute / Margarita Karovska / Davide De Martin / Mahdi Zamani / N. Bartmann, ESA & Hubble.

Hubble Observes Binary System R Aquarii

Oct 16, 2024 by News Staff

Astronomers using the NASA/ESA Hubble Space Telescope have made a unique timelapse of R Aquarii’s dynamic behavior from observations spanning from 2014...

This mosaic made by ESA’s Euclid space telescope contains 260 observations collected in 2024. Image credit: ESA / Euclid / Euclid Consortium / NASA / CEA Paris-Saclay / J.-C. Cuillandre / E. Bertin / G. Anselmi.

ESA’s Euclid Mission Releases First Piece of Its 3D Map of Universe

Oct 16, 2024 by News Staff

ESA astronomers have released a 208-gigapixel mosaic of images taken by Euclid, a mission launched in 2023 to study why the Universe is expanding at an...

This VST image shows the nebula Gum 39. Image credit: ESO / VPHAS+ Survey.

VST Sees Newborn Stars in Gum 39

Oct 15, 2024 by Enrico de Lazaro

Gum 39 is one of several nebulae in a vast stellar nursery called the Running Chicken Nebula (IC 2944), which is located about 6,500 light-years away in...

This image, taken by the ESA/NASA Solar and Heliospheric Observatory (SOHO) on October 10, 2024, shows comet Tsuchinshan-ATLAS and its bright tail streaming from the upper left to the right; Mercury appears as a bright dot on the left. Image credit: ESA / NASA.

NASA Astronauts, SOHO Spacecraft Snap New Images of Comet Tsuchinshan-ATLAS

Oct 15, 2024 by Enrico de Lazaro

A bright comet from the Oort cloud named C/2023 A3 (Tsuchinshan-ATLAS) is passing by Earth and will be visible through the second half of October 2024. This...

Simon et al. measured the Great Red Spot’s size, shape, brightness, color, and vorticity over one full oscillation cycle. Image credit: NASA / ESA / Amy Simon, NASA’s Goddard Space Flight Center / Joseph DePasquale, STScI.

Jupiter’s Great Red Spot is Wobbling and Fluctuating in Size, Hubble Observations Show

Oct 14, 2024 by News Staff

Astronomers using the NASA/ESA Hubble Space Telescope observed Jupiter’s most distinctive feature, the Great Red Spot, with on eight dates over a single,...

This artist’s concept depicts a potential volcanic exomoon between WASP-49Ab (left) and its parent star. Image credit: NASA / JPL / Caltech.

Astronomers Find New Evidence for Volcanic Exomoon around WASP-49Ab

Oct 14, 2024 by News Staff

Using the ESPRESSO instrument on ESO’s Very Large Telescope and the HARPS instrument at ESO’s La Silla 3.6-m telescope, astronomers have detected a...

This Hubble image shows Messier 90, an intermediate spiral galaxy located 53.8 million light-years away in the constellation of Virgo. Image credit: NASA / ESA / Hubble / D. Thilker / J. Lee / PHANGS-HST Team.

Hubble Captures Stunning New Image of Messier 90

Oct 14, 2024 by Enrico de Lazaro

Astronomers using the NASA/ESA Hubble Space Telescope have obtained a remarkable new view of the intermediate spiral galaxy Messier 90. This Hubble image...

In this image, two three-dimensional shapes (top) of Uranus are compared to the actual views of the planet from Hubble (bottom left) and New Horizon (bottom right). Image credit: NASA / ESA / STScI / Samantha Hasler, MIT / Amy Simon, NASA-GSFC / New Horizons Planetary Science Theme Team / Joseph DePasquale, STScI / Joseph Olmsted, STScI.

Hubble Space Telescope and New Horizons Focus on Uranus

Oct 10, 2024 by News Staff

In a new study, astronomers compared high-resolution images of Uranus from the NASA/ESA Hubble Space Telescope to the more-distant view from NASA’s New...

This image taken by NASA’s Spitzer Space Telescope shows the comet 2P/Encke riding along its pebbly trail of debris. Image credit: NASA / JPL-Caltech / University of Minnesota.

Astronomers Find Fewer Potentially Hazardous Asteroids in Earth’s Neighborhood than Previously Estimated

Oct 9, 2024 by News Staff

Astronomers using the Zwicky Transient Facility (ZTF) have investigated the Taurid resonant swarm, a large interplanetary system that contains comet 2P/Encke,...

This image shows the galaxy REBELS-25 as seen by ALMA, overlaid on an infrared image of other stars and galaxies. The infrared image was taken by ESO’s Visible and Infrared Survey Telescope for Astronomy (VISTA). Image credit: ALMA / ESO / NAOJ / NRAO / Rowland et al. / Dunlop et al. / CASU / CALET.

Astronomers Discover Most Distant Rotating Disk Galaxy: REBELS-25

Oct 8, 2024 by News Staff

REBELS-25 existed as early as 700 million years after Big Bang, according to a paper published in the Monthly Notices of the Royal Astronomical Society. This...

This Hubble image shows NGC 5248, a grand design spiral galaxy located some 42 million light-years away in the constellation of Boötes. The color image was made from separate exposures taken in the visible, ultraviolet and near-infrared regions of the spectrum with Hubble’s WFC3 instrument. Six filters were used to sample various wavelengths. The color results from assigning different hues to each monochromatic image associated with an individual filter. Image credit: NASA / ESA / Hubble / F. Belfiore / J. Lee / PHANGS-HST Team.

Hubble Space Telescope Sees Starburst Regions in NGC 5248

Oct 7, 2024 by Enrico de Lazaro

Hubble’s Wide Field Camera 3 (WFC3) has taken a striking new image of the grand design spiral galaxy NGC 5248. This Hubble image shows NGC 5248, a grand...

An artist’s concept of 29P/Schwassmann-Wachmann 1’s outgassing activity as seen from the side. Image credit: NASA / ESA / CSA / L. Hustak, STScI.

Webb Spots Outgassing Regions on Active Centaur

Oct 3, 2024 by News Staff

Centaurs are former trans-Neptunian objects that have been moved inside Neptune’s orbit by subtle gravitational influences of the planets in the last...