Habitable Zones & Global Climate
Atmospheric Escape From TOI-700 d: Venus vs. Earth Analogs 
The recent discovery of an Earth-sized planet (TOI-700 d) in the habitable zone of an early-type M-dwarf by the Transiting Exoplanet Survey Satellite constitutes an important advance.
Habitable Zones & Global Climate
Implications Of Different Stellar Spectra For The Climate Of Tidally-locked Earth-like Exoplanets
The majority of potentially habitable exoplanets detected orbit stars cooler than the Sun, and therefore are irradiated by a stellar spectrum peaking at longer wavelengths than that incident on Earth.
SETI
Qualitative Classification of Extraterrestrial Civilizations
Abridged: The interest towards searches for extraterrestrial civilizations (ETCs) was boosted by the discovery of thousands of exoplanets. We turn to the classification of ETCs for new considerations that may help to design better strategies for ETCs searches.
Mars
The Detective Aboard NASA's Perseverance Rover
An instrument called SHERLOC will, with the help of its partner WATSON, hunt for signs of ancient life by detecting organic molecules and minerals.
Impact events
Dinosaur-dooming Asteroid Struck Earth At The Deadliest Possible Angle
The simulations show that the asteroid hit Earth at an angle of about 60 degrees, which maximised the amount of climate-changing gases thrust into the upper atmosphere.
Proxima Centauri b
Revisiting Proxima With ESPRESSO
We aim to confirm the presence of Proxima b using independent measurements obtained with the new ESPRESSO spectrograph, and refine the planetary parameters taking advantage of its improved precision.
Astrochemistry
A Systematic Study on the Absorption Features of Interstellar Ices in Presence of Impurities
Spectroscopic studies play a key role in the identification and analysis of interstellar ices and their structure. Some molecules have been identified within the interstellar ices either as pure, mixed, or even as layered structures.
Astrochemistry
Isomers in Interstellar Environments (I): The Case of Z- and E-Cyanomethanimine
In this work, we present the results of our investigation into the chemistry of Z- and E-cyanomethanimine (HNCHCN), both of which are possible precursors to the nucleobase adenine.
Habitable Zones & Global Climate
Tidal Evolution Of Exoplanetary Systems Hosting Potentially Habitable Exoplanets. The cases of LHS-1140 b-c and K2-18 b-c LHS-1140 b-c
We present a model to study secularly and tidally evolving three-body systems composed by two low-mass planets orbiting a star, in the case where the bodies rotation axes are always perpendicular to the orbital plane.
Radiation
Galactic Cosmic Rays Are Now Available For Biomedical Studies On Earth
To better understand and mitigate the health risks faced by astronauts from exposure to space radiation, we ideally need to be able to test the effects of Galactic Cosmic Rays (GCRs) here on Earth under laboratory conditions.
Oceanic Research
Ancient Ocean Oxygen Levels Associated With Changing Atmospheric Carbon Dioxide
Why do carbon dioxide levels in the atmosphere wax and wane in conjunction with the warm and cold periods of Earth's past?
More top stories from May.
Recent Releases
Recent Status Reports
Calendar
- 28 May: Lunar Surface Science Workshop (Rescheduled as Virtual)
- 28 May: NASA Science Mission Directorate Virtual Town Hall
- 28 May: Special Virtual Public Event Alien Oceans on Earth and Beyond
- 2 Jun: Mercury: Current and Future Science of the Innermost Planet
- 2 Jun: NASA Advisory Council Meeting
- * Submit Your Event | More Events *
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