![[L] NASA ID: art002e000192 art002e000192 (April 3, 2026) -- NASA [R] art002e000193 (April 3, 2026) -- NASA](https://i0.wp.com/astrobiology.com/wp-content/uploads/2026/04/Our-Home-World-As-Seen.png?resize=1200%2C718&ssl=1)
Left: A view of Earth taken by NASA astronaut and Artemis II Commander Reid Wiseman from one of the Orion spacecraft’s window after completing the translunar injection burn on April […]
imaging
![[L] The detrended and phase-folded RV time series of GJ 1132 b (top) and GJ 1132 c (bottom). Different draws of the Keplerian models from our posterior are superimposed in black. The different colored markers correspond to different RV time series. Binned data points are shown as red squares. [R] Phase-folded and detrended RV time series of LTT 3780 b (top) and LTT 3780 c (bottom). The best-fit Keplerian model is superimposed in black. The different colors and markers correspond to different RV time series. Binned data points are shown as red squares. -- astro-ph.EP](https://i0.wp.com/astrobiology.com/wp-content/uploads/2026/04/Super-Earth-masses.png?resize=1200%2C720&ssl=1)
Posted inAstrochemistry, Astrogeology, Biogeochemical Cycles & Geobiology, Biosignatures & Paleobiology, Exoplanets, -moons, -comets, Habitable Zones, Imaging & Spectroscopy, Status Report, Water/Hycean Worlds & Oceanography
Super-Earth Masses And Stellar Abundances From NIRPS Reveal Tentative Evidence For Water-rich Formation Around M Dwarfs
Tracing the compositional link between terrestrial super-Earths and their host stars provides clues to their dominant formation pathway. By constraining the stellar abundances of refractory elements, we can predict the […]
Posted inAriel Mission, Astronomy & Telescopes, Atmospheres, Climate, Weather, Biosignatures & Paleobiology, Habitable Zones, Imaging & Spectroscopy, Status Report
On The Information Content of Ariel Transmission Spectra: Reassessing The Tier System
The European Space Agency’s Ariel mission will conduct a survey of the atmospheric properties of exoplanets around bright stars.
Posted inAstronomy & Telescopes, Exoplanets, -moons, -comets, Imaging & Spectroscopy, Press Release
First Light For PoET: Shining (sun)Light On Exoplanet Research
The Paranal solar ESPRESSO Telescope (PoET), installed at the European Southern Observatory’s (ESO’s) Paranal site in Chile, has made its first observations. The telescope will work with ESO’s ESPRESSO instrument […]
Posted inAstronomy & Telescopes, Biosignatures & Paleobiology, Exoplanets, -moons, -comets, Imaging & Spectroscopy, Nanotechnology & SynBio, Press Release
Designing Lightweight Optics To Detect Signs Of Life Beyond Our Solar System
UC Santa Barbara doctoral candidate in physics, Skyler Palatnick, PhD ’26, has been named to Heising-Simons Foundation’s Science program’s new class of 51 Pegasi b Fellows, which he will perform […]
Posted inAnalog Studies, Astronomy & Telescopes, Exoplanets, -moons, -comets, Habitable Zones, Imaging & Spectroscopy, Status Report, Stellar Cartography
The JWST Search For Earth-Luna Analogs: Upper Limits On Exomoons And Refined Ephemerides For TOI 700 d And e
While no conclusive detections of exomoons have been reported to date, planet formation theories predict that satellites should be a common outcome of the collisional dynamics in early extrasolar systems.
Posted inAstrogeology, Atmospheres, Climate, Weather, Biogeochemical Cycles & Geobiology, Biosignatures & Paleobiology, Habitable Zones, Imaging & Spectroscopy, Mars, Robotics/Rovers/UAVs, Status Report
Strong Nickel Enrichment Co-located With Redox-organic Interactions In Neretva Vallis, Mars
In 2024, NASA’s Perseverance rover explored Neretva Vallis, an ancient river channel that once transported water into Jezero crater.
Posted inExoplanets, -moons, -comets, Gas Giants, Icy Worlds, Status Report
POSEIDON II: The Anti-Aligned Orbit of the Warm Neptune TOI-1710 A b
We present an observation of the Rossiter-McLaughlin effect for the warm-Neptune system TOI-1710 obtained with the NEID spectrograph on the WIYN 3.5 m telescope.
Posted inAstronauts and Explorers, Atmospheres, Climate, Weather, Biosignatures & Paleobiology, Exoplanets, -moons, -comets, Imaging & Spectroscopy, Missions & Hardware, Press Release
Assessment Of PLATO Science Performance
The PLATO mission is scheduled for launch early 2027. In this paper we present an overview of the performance drivers for the mission at the time where all flight models […]
Posted inAstrochemistry, Astronomy & Telescopes, Biosignatures & Paleobiology, Exoplanets, -moons, -comets, Habitable Zones, Imaging & Spectroscopy, Interstellar, Press Release
Gemini South Confirms Long-Suspected Link Between the Composition of Exoplanets and Their Host Stars
Almost 320 light-years away in the Libra constellation lies WASP-189b, an exoplanet known as an ultra-hot Jupiter (UHJ). UHJs have temperatures high enough to vaporize rock-forming elements like magnesium (Mg), […]