Scientists believe the Milky Way contains up to 400 billion stars and at least as many planets. The largest galaxy known, IC 1101, has more than 100 trillion stars. Step outside on a clear night and ...

By studying what makes the Milky Way unique, astronomers are hoping to understand our galaxy’s past and unravel the mystery ...

A new investigation into old Kepler data has revealed that a planetary system once thought to house zero planets actually has ...

When astronomers first discovered exoplanets, they found massive ones orbiting large stars. The technology to detect smaller planets around low-mass, dim red dwarfs took time to develop. By the ...

An initial analysis suggests the object could be a young, cold planet with a temperature near 120 degrees Fahrenheit, NASA ...

NASA's James Webb Space Telescope has been unwaveringly focused on our universe. With its unprecedented power to detect and ...

Stargazers may catch a cosmic light show this Fourth of July weekend when the Milky Way appears in the night sky across the ...

An exoplanet is any planet beyond our solar system. Most of them orbit other stars, but some free-floating exoplanets, called ...