DALLAS (AP) — A thick atmosphere has been detected around a planet that’s twice as big as Earth in a nearby solar system, ...
Gas bubbling up from a lava-covered surface on 55 Cancri e may feed an atmosphere rich in carbon dioxide or carbon monoxide.
An Earth-size planet discovered around a nearby star offers astronomers their first chance for exoplanetary geology.
Scientists have discovered a new exoplanet where days and nights don't end. Read all the interesting details about it right ...
The so-called "exo-Venus," a rocky exoplanet similar in size to Venus, is known as Gliese 12 b, a world just 40 light-years ...
Gas bubbling up from a lava-covered surface on the exoplanet 55 Cancri e may feed an atmosphere rich in carbon dioxide or ...
On a large, rocky world in a far-off solar system, a year goes by in just half a day.
Astronomers may have finally figured out why a distant exoplanet with the density of a microwaved marshmallow has such a ...
A newly discovered exoplanet, with its surface temperature estimated to be remarkably temperate, is suddenly one of the most ...
Astronomers have made the rare and tantalizing discovery of an Earth-like exoplanet 40 light-years away that may be just a ...
T wo different groups of astronomers have reported the discovery of an exoplanet that might be an Earth twin, or maybe a ...
Astronomers have discovered an Earth-size planet orbiting a red dwarf star, making just the second planetary system seen ...