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

The James Webb Space Telescope has detected clouds made of silicates, similar to sand here on Earth, as well as water, ...

Renowned Caltech astronomer Carl Grillmair, celebrated for discovering water on exoplanets, was tragically found shot dead at ...

Using HARPS and HARPS-N spectrographs, astronomers have observed a nearby K-type star designated HD 176986, known to host two ...

Astronomers want to collect as much data as possible using as many systems as possible. Sometimes that requires coordination ...

Carl Grillmair, a renowned Caltech scientist who discovered water on a distant planet, was fatally shot at his Los Angeles-area home. Authorities arrested a suspect in connection with the killing.

How any Earth-sized exoplanets exist, and how do we find them? This is what a recent study published in The Astrophysical ...

Astronomers may finally understand why planets orbiting two suns, the real-world equivalents of the "Star Wars" planet ...

A planetary system 116 light-years from Earth has a peculiar pattern. It could flip the script on how planets form, scientists say.

A newly identified planet candidate, HD 137010 b, looks strikingly Earth-like in size and orbit — but it may be colder than Mars due to its dimmer star. If it has a thick enough atmosphere, though, ...

The planet is one of the best worlds for follow-up studies to determine whether it could be habitable or not.

Add Yahoo as a preferred source to see more of our stories on Google. In our solar system, Earth is one of but eight planets – nine, if you really want to count Pluto – and the only one remotely ...