Could there be life in helium atmospheres on exoplanets?
View larger. | Artist’s concept of an exoplanet with a helium-dominated atmosphere. A new study suggests that there…
Giant Waves of Solar Wind May Have Stripped Mars of Its Atmosphere, New Study Finds
Although Mars is a frigid and hostile world today, the Red Planet may have once been capable of…
Astronomers Find Potentially Habitable Super-Earth Just 25 Light-Years Away
Astronomers have discovered a rocky exoplanet about twice Earth’s size just 25 light-years away, orbiting in the habitable…
Mars Mission: A Stress Test For The Search For Life
The Murchison meteorite fell in Australia in 1969, breaking into numerous fragments. It belongs to the carbonaceous chondrite…
Microbial Growth Rates Captured Using Raman-SIP reveal A Highly Active Subsurface Biosphere Fueled By Serpentinization
16S rRNA amplicon sequencing data of fluids collected from each borehole (A) prior and (B) post 2H incubation.…
Continent formation may have set the stage for life on Earth
Long before forests, fish, or even single cells, Earth may have needed something as unglamorous as growing continents…
Astronomers map the climate of Earth-like exoplanets for the first time
A pair of scorched worlds circling the red dwarf TRAPPIST-1 now offer one of the clearest looks yet…
Which is the most common type of planet in the galaxy? Scientists reveal ‘super-Earths’ |
According to Kepler observations, the most abundant kind of planets in the Milky Way is the super-Earths. These…
Organosulfur Chemistry On sub-Neptunes: Implications For Hazes And Biosignatures
The network of important reactions for the carbon, sulfur, and coupled organosulfur chemistry in the atmosphere of K2-18b.…
Proton Irradiation of Primitive Atmospheres of Young Exoplanets And Early Earth: N2O Greenhouse Warming And Prebiotic Synthesis
The figure shows the HPLC Chromatograms of Amino Acids produced in the Sample B5 irradiation run. — astro-ph.EP…
New discovery of ammonia on Europa hints at active geology
View larger. | Composite image showing location of some of the ammonia-bearing compounds on Jupiter’s moon Europa (red…
Cool, Earth-Sized Exoplanet Found Orbiting Nearby Star
Astronomers have discovered a new exoplanet orbiting the nearby K-dwarf star HD 137010 after detecting a single, shallow…