A planetary alignment, or a "planet parade" according to the internet, will grace our night sky just after dusk, according to ...

How's your knowledge of Earth's geology? Flat, round or global?

Astronomers have found two planets around two separate stars that are succumbing to their stars’ intense heat. Both are ...

Certain extreme planets are called ultra-short period objects if they're very close to their stars and orbit them in mere hours, like K2-22b.

Seismic imaging has revealed two colossal regions deep within Earth’s mantle that could reshape our understanding of the ...