Massive galaxies experience complex evolutionary processes, including mergers and gas accretion, which can disrupt the chemical equilibrium between their stellar and gaseous components.
astrophysics
Posted inAstronomy & Telescopes, Exoplanets, -moons, -comets, Habitable Zones, Imaging & Spectroscopy, Press Release, Space Weather & Heliophysics
A Theoretical Study of the Structure and Elemental Abundances of HD 20794
HD-20794 is a nearby, bright, metal-poor G-type dwarf hosting a compact planetary system, including a super-Earth near the habitable zone.
Posted inAstrochemistry, Biochemistry & Organic Chemistry, Press Release
Kick-off Of Feasibility Study For A New Generation Of European ALMA Receivers
On 13 April 2026, ESO held the kick-off meeting for the Feasibility Study for a new generation of European ALMA receivers covering the 125–211 GHz band (ESO-654032) at the INAF-OAS […]
Posted inAstronomy & Telescopes, Exoplanets, -moons, -comets, Imaging & Spectroscopy, Interstellar, Press Release, Stellar Cartography
Most Close Pairs of Stars Are Born as Cosmic Twins
A new study of infant stars in the Perseus and Orion star-forming regions suggests that most close pairs of stars are born as twins in the same disk, rather than […]
Posted inAstronomy & Telescopes, Conferences and Meetings, Intelligence & Language, Interstellar, Nanotechnology & SynBio, Press Release, SETI & Technosignatures
The Dyson Minds 2025 Workshop: SETI around Black Holes
The Dyson Minds 2025 Workshop, held at the Center for Brains, Minds & Machines at MIT and organized by Penn State, MIT, and The Ultraintelligence Foundation, brought together researchers in […]
Posted inAstronomy & Telescopes, Atmospheres, Climate, Weather, Biosignatures & Paleobiology, Citizen Science / Open Science, Exoplanets, -moons, -comets, Imaging & Spectroscopy, Missions & Hardware, Status Report, Stellar Cartography
The Lazuli Space Observatory: Architecture & Capabilities
Editor’s note: The Lazuli Space Observatory is part of the Eric and Wendy Schmidt Observatory System, the proposed Lazuli Space Observatory is a 3-meter telescope designed to capture fast-changing cosmic […]
Posted inNASA Astrobiology Program, Policy, Reports, Roadmaps, & Plans, Status Report
NASA ROSES-2026 To Be Released July 2026
In 2025, NASA’s Science Mission Directorate (SMD) released the annual Research Opportunities in Space and Earth Sciences (ROSES) solicitation in July rather than February, the traditional target release date. For […]
Posted inAstrobiology (general), Astrochemistry, Astronomy & Telescopes, Biosignatures & Paleobiology, Imaging & Spectroscopy, Interstellar, Press Release
Astrochemistry Update: SPHEREx Observatory Completes First Cosmic Map Like No Other
Launched in March, NASA’s SPHEREx space telescope has completed its first infrared map of the entire sky in 102 colors. SPHEREx will help scientists answer big-picture questions about everything from […]
Posted inAstronomy & Telescopes, Biosignatures & Paleobiology, Imaging & Spectroscopy, Intelligence & Language, Press Release, SETI & Technosignatures
Microlensing Signatures Of Dyson Sphere-like Structures Around Primordial Black Holes As Technosignatures Of Extraterrestrial Advanced Civilizations
We investigate the microlensing detectability of extraterrestrial technosignatures originating from Dyson sphere – like structures, such as Dyson Swarms surrounding primordial black holes (PBHs).
Posted inAstrochemistry, Astronomy & Telescopes, Biochemistry & Organic Chemistry, Biophysics, Biosignatures & Paleobiology, Imaging & Spectroscopy, Press Release
Astrochemistry: Where The Elements Come From
“Why are we here?” is humanity’s most fundamental and persistent question. Tracing the origins of the elements is a direct attempt to answer this at its deepest level. We know […]