The delivery of water to the inner Solar System rocky planets, including Earth, remains debated, as standard models assume that they formed from dry grains, inside the snowline of the […]
Habitable Zone
Posted inAstronomy & Telescopes, Exoplanets, -moons, -comets, Imaging & Spectroscopy, Status Report
PEEPSS: Photonic-Enabled ExoPlanet Spectroscopic Sensor for the Habitable Worlds Observatory
The next few years will be critical for technology development for Habitable Worlds Observatory (HWO) in its mission to search for and characterize extrasolar planets.
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 inAstronomy & Telescopes, Biosignatures & Paleobiology, Exoplanets, -moons, -comets, Habitable Zones, Imaging & Spectroscopy, Status Report
Understanding HWO’s Field of Regard and Characterization Requirement Trade Space with a Dynamic Observation Scheduling Algorithm
The Habitable Worlds Observatory (HWO) aims to image and characterize at least 25 ExoEarth candidates (EECs). Achieving this goal requires a detailed understanding of the observatory’s design trade space, including […]
Posted inAlpha Centauri, Biosignatures & Paleobiology, Cubesats and smallsats, Exoplanets, -moons, -comets, Gaia Mission, Habitable Zones, Interstellar, Missions & Hardware, Proxima Centauri, Status Report
Science From The In Situ Exploration Of Tthe Proxima Centauri System
In the future interstellar exploration at near-relativistic speeds will be possible using beamed energy laser propulsion.
Posted inExoplanets, -moons, -comets, Habitable Zones, Press Release, Stellar Cartography
Beyond The Mass-radius Plane: Integrated Radiative-convective And Interior Structure Simulations Of The Exoplanet Continuum
Static structure models, which map mass-radius constraints to bulk planet composition, are frequently used to categorise exoplanets due to their computational efficiency and the high-level insight they offer into planetary […]
Posted inAstrogeology, Astronomy & Telescopes, Atmospheres, Climate, Weather, Biosignatures & Paleobiology, Exoplanets, -moons, -comets, Habitable Zones, Imaging & Spectroscopy, Lava / magma ocean / Volcanic Worlds, Press Release
A Gem System With A Lava World And A Habitable Zone Sub-Neptune Orbiting TOI-1752
The Transiting Exoplanet Survey Satellite (TESS) has delivered a large number of transiting planet candidates around nearby stars by identifying periodic decreases in stellar brightness. A top-down view of the […]
Posted inAstrogeology, Atmospheres, Climate, Weather, Biogeochemical Cycles & Geobiology, Biosignatures & Paleobiology, Habitable Zones, Icy Worlds, Press Release, Terraforming & Geoengineering, Water/Hycean Worlds & Oceanography
Planets Need More Water To Support Life Than Scientists Previously Thought
Unfortunately for science fiction fans, desert worlds outside our solar system are unlikely to host life, according to new research from University of Washington. Scientists show that an Earth-sized planet […]
Posted inAstronomy & Telescopes, Exoplanets, -moons, -comets, Habitable Zones, Imaging & Spectroscopy, Status Report
The RoPES Project With HARPS and HARPS-N III. Two Candidate Planets Orbiting The G-type Star HD 161098
Context. The development of refined instruments and techniques for a detailed analysis of the radial velocities (RVs) of stars other than the Sun allows the presence of planetary signals of […]
Posted inStatus Report
Continuing To Advance European High Contrast Imaging Research And Development Towards HWO And LIFE
The European Research and Development for Space based High Contrast Imaging II Workshop, held at MPIA in May 2025, advanced Europe strategic coordination in support of future exoplanet imaging missions […]