Galaxies have an overall internal motion called disk velocity. It’s how gas, dust, and stars move around the galactic center.

The comet should be visible by telescope through September, before it gets too close to the sun, and reappear in December on ...

NASA's newest astrophysics space telescope launched in March on a mission to create an all-sky map of the universe. Now ...

Fireworks won’t be the only things lighting up the sky this month. Stargazers will be treated to a trio of celestial shows ...

The shattered star at the center was once a white dwarf, a stellar ember no larger than Earth, yet almost as heavy as the Sun ...

"The best time to see the Milky Way in (Massachusetts) is from March to September," according to the Capture the Atlas ...

A groundbreaking new survey from China’s LHAASO observatory has unveiled powerful ultrahigh-energy gamma-ray emissions across ...