Apr 7, 2026 by News Staff

Using the Near-Infrared Spectrograph (NIRSpec) onboard the NASA/ESA/CSA James Webb Space Telescope, astronomers have characterized the atmosphere of TOI-5205b,...

Apr 6, 2026 by News Staff

The newly-discovered star, SDSS J0715-7334, formed in the halo of the Large Magellanic Cloud and migrated to our Milky Way Galaxy billions of years ago,...

Mar 24, 2026 by News Staff

PicII-503, a primordial star located in the >10-billion-year-old ultrafaint dwarf galaxy Pictor II, appears to preserve the chemical imprint of the...

Feb 16, 2026 by News Staff

Astronomers using the NASA/ESA/CSA James Webb Space Telescope have for the first time identified hydrogen sulfide gas in the atmospheres of three gas-giant...

Oct 2, 2025 by News Staff

Astronomers using the NASA/ESA/CSA James Webb Space Telescope have detected phosphine (PH3) in the atmosphere of Wolf 1130C, a metal-poor brown dwarf within...

Sep 9, 2025 by News Staff

Using data gathered by NSF’s Gemini South telescope and the NASA/ESA/CSA James Webb Space Telescope, astronomers have detected signatures of methane...

Mar 20, 2025 by News Staff

Astronomers using the Atacama Large Millimeter/submillimeter Array (ALMA) have detected oxygen in the most distant confirmed galaxy ever found, JADES-GS-z14-0....

Mar 3, 2025 by News Staff

Described in a paper that appears today in the journal Nature Astronomy, the discovery means habitable exoplanets could have started forming much earlier...

Feb 3, 2025 by Enrico de Lazaro

Astronomers using the Immersion GRating INfrared Spectrograph (IGRINS) instrument on the Gemini South telescope have examined the atmosphere of WASP-121b,...

Dec 16, 2024 by News Staff

In 2003, Hubble provided evidence of a massive exoplanet around a very old star. Such stars possess only small amounts of heavier elements that are the...

Oct 28, 2024 by News Staff

Astronomers using the NASA/ESA/CSA James Webb Space Telescope have detected a population of 64 brown dwarf candidates with masses ranging from 50 to 84...

Aug 1, 2024 by News Staff

Using data from ESA’s Gaia mission, astronomers have found a large number of metal-poor stars older than 13 billion years on orbits similar to that of...

Jul 8, 2024 by News Staff

Astronomers using the NASA/ESA/CSA James Webb Space Telescope have detected trace amounts of hydrogen sulfide in the atmosphere of the Jupiter-sized exoplanet...

May 15, 2024 by News Staff

Astronomers at MIT have discovered thee extremely ancient stars in the Milky Way’s halo, a cloud of stars that envelopes the entire main Galactic disk....

May 1, 2024 by News Staff

Using the Gemini High-resolution Optical SpecTrograph (GHOST), which is attached to the 8.1-m Gemini South telescope at Cerro Pachón, Chile, astronomers...

Apr 23, 2024 by News Staff

Large amounts of stars are being born at the center of NGC 4383, a peculiar galaxy located 74 million light-years away in the constellation of Coma Berenices....

Apr 16, 2024 by Natali Anderson

Using data from ESA’s Gaia mission, astronomers have discovered a nearby binary system composed of a giant star orbiting a dormant black hole of of stellar...

Apr 11, 2024 by News Staff

Most stellar magnetic fields — including the Sun’s — are produced by a dynamo that is generated in interior layers undergoing convection....

Apr 3, 2024 by Enrico de Lazaro

Astronomers using the NASA/ESA/CSA James Webb Space Telescope have captured a spectacular image of I Zwicky 18 (I Zw 18 for short), the archetypal extremely...

Mar 22, 2024 by News Staff

Dubbed Shakti and Shiva, the newly-identified structures are between 12 and billion years old — so ancient they likely formed before even the oldest...