Some planets may be soot-rich rather than water-based. Atmosphere studies will be key to understanding their true nature. Astronomers generally consider water worlds to be among the most common types ...

Free-floating, planetary-mass objects that are just drifting carefree through the galaxy, untethered and starless, appear to be able to generate their own systems of moons, like a planetary system on ...

One of the boldest dreams in modern astronomy is the search for Earth-like worlds beyond our solar system. These exoplanets ...

When you purchase through links on our site, we may earn an affiliate commission. Here’s how it works. Last week, astronomers unveiled exciting new images of planets in the HR 8799 and 51 Eridani star ...

Uranus's moons — what is unique about each moon and why do they orbit at a tilt?

Exoplanet TRAPPIST-1 e may contain an atmosphere and liquid water, NASA scientists said. Research into the exoplanet is ...

Fresh off the excitement of the Perseids meteor shower is a chance to see six planets lined up in the sky at once. These events, colloquially known as planet parades, occur occasionally with the most ...

Luke found life on Tatooine to be boring, but he should be glad, because as we have seen, binary stars have the potential to play all kinds of havoc on their orbiting circumbinary planets. A ...

This content was originally published on Space. A massive doomed exoplanet on a death spiral toward its parent star has three possible catastrophic fates. When you purchase through links on our site, ...

Observations of Jupiter show that ammonia is unevenly distributed in the upper atmosphere, against expectations of uniform mixing. Scientists found evidence for a complicated but apparently real ...