An astronomy professor explains what exoplanets are, why he keeps looking for them and how Israel intercepts missiles “in ...

A group of astronomers has found a solar system 116 light-years from Earth that seems to challenge current theories about how ...

Nearly all of the solar system’s planets are about to file across the night sky in a planetary alignment, and it will be ...

Planetary systems in the Milky Way galaxy tend to follow a particular pattern: rocky planets toward the center, closest to ...

The planetary system, located 120 light-years away, features four worlds orbiting a red dwarf star and challenges classical formation schemes.

Six planets will shine together in the evening sky on Feb. 28. Here's how to get the best view before they disappear.

Remember 3I/ATLAS? Yes, the interstellar comet that made plenty of headlines in 2025 is still romping through our solar ...

The planets in our solar system are currently showing a special constellation. We explain what can be seen in the night sky.

A newly studied solar system breaks the usual planet pattern, raising fresh questions about how rocky and gas planets form.

An exoplanetary system about 116 light-years from Earth could flip the script on how planets form, according to researchers ...

Earth may owe some of its properties to a nearby star that blew up just as the solar system was forming. This pattern, which saw a supernova bubble envelop the sun and shower it with cosmic rays, may ...

Gas giants possibly developed slowly in the solar system. They developed cores layer by layer within a disk of ice and dust ...