Exoplanet, Atmosphere

Scientists from Oxford University have confirmed the discovery of HD 20794 d, a “super-Earth” exoplanet located 20 ...
Purple Earth Hypothesis suggests Earth was once a purple planet. Early microbes used retinal, not chlorophyll, for ...
Is it a bird? Is it a plane? No, it's super Neptune! But this Superman-mimicking planet is not blasting through space on its ...
A new study published by an international team of researchers led by Taro Matsuo, an astrophysicist at Nagoya University in Japan, argues that this evolutionary trend made sense 3 billion years when ...
A tiny star is making big moves — whether its accomplice likes it or not. Astronomers have spotted a star just a fraction the ...
"It feels like something out of science fiction," said European Southern Observatory astrophysicist Julia Victoria Seidel.
By measuring the masses of known exoplanets, astronomers found that the radius gap corresponds to a transition in composition. Planets with masses below the gap are dense and rocky like Earth ...