A new study modeled the chemistry of TOI-270 d, an exoplanet between Earth and Neptune in size, finding evidence that it could be a giant rocky planet shrouded in a thick, hot atmosphere. TOI-270 d is ...

T he full moon has been a source of fascination, from precipitating werewolf transformations to controlling the tides. Across ...

A Southwest Research Institute-led study modeled the chemistry of TOI-270 d, an exoplanet between Earth and Neptune in size, ...

Scientists have discovered a sub-Neptune exoplanet, GI 410 b, using the radial velocity technique. It orbits a nearby star 39 light years from Earth and has a mass 8.5 times that of our planet. The ...

Have you ever laid in bed awake at night wondering "what would it look like if a giant banana were orbiting the earth?" Apparently, at least one person has wondered that, because they made this video.

A new study uses inversions of orbital gravity and magnetic field data to argue for the presence of ancient, long-lasting hydrothermal systems on Mars.