Mars has two moons, Phobos and Deimos. Scientists still debate whether these came from asteroids that passed close into Mars' ...

Astronomers are often asked how the casual observer can distinguish planets from bright stars in the night sky.

After all, we're on one. However, planets may not be necessary for life ... "Internal pressure differences of order 10 kPa are easily maintained by biological materials and in fact common in ...

A new study challenges traditional views of planet formation by showing discrepancies in the composition of gases between a developing exoplanet and its surrounding disk. The research, based on ...

Conventional wisdom assumes the ratio of gases in a planet’s atmosphere should match the ratio of gases in the natal disk ...

Skeleton Crew is a fun new series that has unleashed many mysteries about missing planets tied to an ancient time.

Read your sign's monthly horoscope to keep up on what the universe has in store for you or check out the Scorpio personality ...

The icing on the cake is Jupiter—the planet of expansion and growth—occupying its strongest placement in the sky, the sign of ...

Each year, we like more games than we can fit in our Advent Calendar. Those honourable mentions get their due here, in 2024's ...

Keen to know what your pet might get up to in 2025? Here's how the movement of the stars and planets could affect their ...

The Parker Solar Probe performed its closest pass of the Sun to date, going within 3.8 million miles (6.1 million km) from the surface on Christmas Eve ...