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This image of the irregular dwarf galaxy Sextans B, taken by the Nicholas U. Mayall 4-m Telescope, features red-colored star-forming regions near the galaxy’s center; surrounding the galaxy are several bright stars that are located much closer to us in our Milky Way Galaxy, identified by the crisscross patterns created by light interacting with the structure of the telescope, as well as numerous fuzzy-looking background galaxies that appear small because they are much farther away than Sextans B. Image credit: KPNO / NOIRLab / NSF / AURA / P. Massey, Lowell Observatory / G. Jacoby / K. Olsen / C. Smith, AURA & NSF / T.A. Rector, University of Alaska Anchorage & NSF’s NOIRLab / M. Zamani, NSF’s NOIRLab / D. de Martin, NSF’s NOIRLab.

Astronomers Snap Detailed Image of Dwarf Galaxy Sextans B

Apr 29, 2021 by Enrico de Lazaro

Astronomers using the Nicholas U. Mayall 4-m Telescope at Kitt Peak National Observatory have captured a breathtaking photo of an irregular dwarf galaxy...

The first artist’s illustration shows a key part of the process that created this new black hole, as the two neutron stars spin around each other while merging. The purple material depicts debris from the merger. Image credit: NASA / CXC / M.Weiss.

Black Hole-Neutron Star Mergers May Help Precisely Measure Universe’s Rate of Expansion

Apr 29, 2021 by News Staff

Gravitational-wave and electromagnetic observations of neutron-star-black-hole mergers can provide precise local measurements of the Universe’s rate...

This composite image, taken by NASA’s Chandra X-ray Observatory and the NASA/ESA Hubble Space Telescope, shows the supernova remnant Cassiopeia A; the different colors represent elements detected by Chandra: iron (orange), oxygen (purple), and the amount of silicon compared to magnesium (green); titanium (light blue) detected previously by NASA’s NuSTAR telescope is shown, but not the different type of titanium found by Chandra. Image credit: NASA / CXC / RIKEN / Sato et al. / NuSTAR.

Chandra Detects Stable Isotope of Titanium in Cassiopeia A

Apr 28, 2021 by News Staff

Astronomers using NASA’s Chandra X-ray Observatory have detected stable titanium, along with chromium and iron, blasting out from the center of the supernova...

An artist’s impression of the ultrahot Jupiter WASP-33b and its parent star. Image credit: Astrobiology Center.

Hydroxyl Radical Detected in Atmosphere of Ultrahot Jupiter

Apr 28, 2021 by Natali Anderson

Astronomers have detected a hydroxyl radical (OH) — the neutral form of the hydroxide ion — in the dayside atmosphere of the ultrahot Jupiter...

This image shows Markarian 739, a pair of merging galaxies some 425 million light-years away in the constellation of Leo. Image credit: ESO / Tubín et al., doi: 10.3847/1538-4357/abedba.

Astronomers Observe Nearby Galaxy with Two Bright Cores

Apr 27, 2021 by Enrico de Lazaro

Astronomers using the Multi Unit Spectroscopic Explorer (MUSE) instrument on ESO’s Very Large Telescope (VLT) have performed spectroscopic observations...

An artist’s impression of the Roque 12 binary system in the Pleiades cluster. Image credit: Sci-News.com / NASA / ESA / AURA / Caltech.

Exoplanets and Brown Dwarfs Could Be Used as Detectors of Light Dark Matter, Physicists Say

Apr 26, 2021 by News Staff

Dark matter with masses below 1 GeV can scatter, become captured, deposit annihilation energy, and increase the heat flow within extrasolar gas giants,...

This Hubble image shows the Necklace Nebula, a planetary nebula some 15,000 light-years away in the constellation of Sagitta. Image credit: NASA / ESA / Hubble / K. Noll.

Hubble Captures New Image of Necklace Nebula

Apr 26, 2021 by Enrico de Lazaro

The NASA/ESA Hubble Space Telescope has captured a striking new photo of a planetary nebula called the Necklace Nebula. This Hubble image shows the Necklace...

This Hubble image shows AG Carinae, a luminous blue variable star some 20,000 light-years away in the constellation of Carinae. The color image was made from separate exposures taken in the visible and ultraviolet regions of the spectrum with Hubble’s Wide Field Camera 3 (WFC3) instrument. Four 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 / STScI.

Hubble Celebrates Its 31st Birthday with Incredible Image of AG Carinae

Apr 23, 2021 by News Staff

The NASA/ESA Hubble Space Telescope turned 31 this year, and for the occasion, the Hubble team has just released a beautiful image of the luminous blue...

This composite image, taken by the NASA/ESA Hubble Space Telescope and ALMA, shows the galaxy cluster RXCJ0600-2007 and lensed images of the galaxy RXCJ0600-z6 (red). Image credit: ALMA / ESO / NAOJ / NRAO / Fujimoto et al. / NASA / ESA / Hubble Team.

ALMA Spots Gravitationally Lensed Rotating Galaxy in Early Universe

Apr 22, 2021 by News Staff

Astronomers using the Atacama Large Millimeter/submillimeter Array (ALMA) have discovered a rotating dwarf galaxy 1/100th the size of the Milky Way in...

An artist’s impression of the V723 Mon binary system. Image credit: Lauren Fanfer / Ohio State University.

Astronomers Discover Closest Known Black Hole Candidate

Apr 22, 2021 by News Staff

The newly-discovered stellar-mass black hole candidate is a binary companion to a nearby red giant called V723 Mon. An artist’s impression of the V723...

Images of the Milky Way and the Large Magellanic Cloud are overlaid on a map of the surrounding Galactic halo. The smaller structure is a wake created by the Large Magellanic Cloud’s motion through this region. The larger light-blue feature corresponds to a high density of stars observed in the northern hemisphere of our Galaxy. Image credit: NASA / ESA / JPL-Caltech / Conroy et al., doi: 10.1038/s41586-021-03385-7.

Astronomers Create New Map of Milky Way’s Halo

Apr 22, 2021 by News Staff

Astronomers using data ESA’s Gaia mission and NASA’s Near Earth Object Wide Field Infrared Survey Explorer (NEOWISE) have created a map of the outermost...

An artist’s conception of a violent stellar flare from Proxima Centauri. Image credit: S. Dagnello, NRAO / AUI / NSF.

Astronomers Detect Extreme Flare from Proxima Centauri

Apr 21, 2021 by News Staff

Using the Australian Square Kilometre Array Pathfinder (ASKAP), the Atacama Large Millimeter/submillimeter Array (ALMA), the NASA/ESA Hubble Space Telescope,...

An artist’s impression of one of 256 tiles of the Murchison Widefield Array observing a pulsar. Image credit: Dilpreet Kaur / ICRAR / Curtin University.

Murchison Widefield Array Discovers Its First Pulsar

Apr 21, 2021 by News Staff

Astronomers using the Murchison Widefield Array (MWA), a low-frequency radio telescope in Australia, have discovered a new long-period, low-luminosity...

A direct image of the massive exoplanet YSES 2b and its host star. Image credit: ESO / SPHERE / VLT / Bohn et al.

Astronomers Directly Image Giant Planet around Young Sun-Like Star

Apr 20, 2021 by Natali Anderson

Astronomers using the Spectro-Polarimetric High-contrast Exoplanet Research (SPHERE) instrument on ESO’s Very Large Telescope have discovered and directly...

This Hubble image shows NGC 4603, a spiral galaxy some 107 million light-years away in the constellation of Centaurus. Image credit: NASA / ESA / Hubble / J. Maund.

Hubble Zooms In on Magnificent Spiral Galaxy: NGC 4603

Apr 19, 2021 by Enrico de Lazaro

Astronomers using the NASA/ESA Hubble Space Telescope have produced a spectacularly detailed image of a part of the spiral galaxy NGC 4603. This Hubble...

A burst from FRB 180916 arrives at the LOFAR telescope; the higher frequency radio waves (purple) arrive earlier than the lower frequency radio waves (red); the inset shows an optical image from the host galaxy of the fast radio burst source and the position of the source in the host galaxy. Image credit: D. Futselaar / S.P. Tendulkar / ASTRON.

LOFAR Detects Lowest-Frequency Fast Radio Bursts to Date

Apr 16, 2021 by Enrico de Lazaro

Using the Low-Frequency Array (LOFAR), astronomers from the Canadian Hydrogen Intensity Mapping Experiment (CHIME) have found that fast radio bursts include...

This artist’s concept shows a hypothetical aquaplanet around the binary star system of Kepler-35. Image credit: NASA / JPL-Caltech.

Astronomers Identify Five Multiple Star Systems with Permanent Habitable Zone

Apr 15, 2021 by Sergio Prostak

Kepler-34, Kepler-35, Kepler-38, Kepler-64 and Kepler-413 — multiple star systems located between 2,764 and 5,933 light-years away in the constellations...

Siraj & Loeb explore the possibility that accretion flares resulting from the tidal disruption of small Oort Cloud bodies by a putative primordial black hole could power an observable optical signal that could be searched for with the upcoming Vera C. Rubin Observatory Legacy Survey of Space and Time. Image credit: Sci-News.com / Zdeněk Bardon / ESO.

Physicists Use Rapidly-Spinning Black Holes to Look for Dark Matter

Apr 14, 2021 by News Staff

Ultralight bosons — hypothetical particles with masses less than a billionth the mass of an electron — could be responsible for the Universe’s...

This Hubble image shows the galaxy cluster Abell 2813. The color image was compiled using observations taken with Hubble’s Advanced Camera for Surveys (ACS) and Wide Field Camera 3 (WFC3) instruments. Several filters were used to sample various optical wavelengths. The color results from assigning different hues to each monochromatic image associated with an individual filter. Image credit: NASA / ESA / Hubble / D. Coe et al.

Hubble Sees Lensing Galaxy Cluster Abell 2813

Apr 12, 2021 by Enrico de Lazaro

A huge galaxy cluster called Abell 2813 has so much mass that it acts as a gravitational lens, causing light from more distant galaxies to bend around...