Webb has captured a frigid exoplanet in a wildly tilted orbit, revealing a system shaped by past planetary violence and ...

For the dwarf planet candidate, one trip around the sun takes over 24,000 years. Its orbit challenges a proposed path for a hypothetical Planet Nine.

The exoplanet — named 14 Herculis c, or 14 Her c for short — orbits a sunlike star about 60 light-years from Earth in the ...

A planetary system described as abnormal, chaotic, and strange by researchers has come into clearer view with NASA's James ...

"The new brown dwarfs are the least massive known brown dwarfs. They place a new constraint on the lowest mass at which brown ...

Astronomers found a giant planet orbiting one of the smallest stars ever known to host one, challenging everything we thought ...

An accidental discovery in an astronomy show offers researchers a new clue about the mysterious Oort Cloud, a large expanse ...

Given just how big space is, the solar system seems like it shouldn't be too mysterious. But there are actually plenty of ...

At the heart of our galaxy lies a cosmic puzzle: although the Galactic Center is packed with star-making material, massive ...

How many stars in our galaxy may be accompanied by planets capable of supporting intelligent life? The answer requires reflection on the characteristics and life history of stars ...