Researchers have developed the Smaller Than Earth Habitability Model (STEHM) to assess which planets can maintain ...

A study published in The Astrophysical Journal Letters says that many planets in the universe may be shrouded in soot, thanks ...

If confirmed, the rock would become just the second world past Neptune in our solar system to host an atmosphere.

Artist's rendering of a solar storm hitting Mars and stripping ions from the planet's upper atmosphere. Mars' atmosphere, once as thick as if not thicker than Earth's today, is leaking into space. "We ...

Researchers have uncovered an unexpected phenomenon, dubbed the Zwan-Wolf effect, squeezing plasma "like toothpaste" in Mars' ...

Researchers may have detected atmospheric gases surrounding 55 Cancri e, a hot rocky exoplanet 41 light-years from Earth. This is the best evidence to date for the existence of any rocky planet ...

In Star Wars, Anakin Skywalker burned alive on the shores of a roiling lava planet called Mustafar, fueling his tumultuous transition into Darth Vader. Now, astronomers have found an atmosphere on a ...

This illustration provided by NASA in 2017 depicts the planet 55 Cancri e, right, orbiting its star. A thick atmosphere has been detected around the planet, which is twice as big as Earth in a solar ...

A thick atmosphere has been detected around a planet that's twice as big as Earth in a nearby solar system, researchers reported Wednesday. The so-called super Earth — known as 55 Cancri e — is among ...

Tylos (or WASP-121b) is a gaseous, giant exoplanet located some 900 light-years away in the constellation Puppis. Using the ESPRESSO instrument on ESO’s Very Large Telescope (VLT), scientists have ...

Twice as big as Earth, the super-Earth 55 Cancri e was thought to have lava flows on its surface. The planet is so close to its star, the same side of the planet always faces the star, such that the ...

Picture a planet with no sunrise and no sunset. One hemisphere is scorched by a star it can never turn away from. The other ...