Astronomers have chased hypervelocity stars for more than a century. These rare objects move so fast that the Milky Way ...

Our galaxy's supermassive black hole is famous for being one of the dimmest in the universe. Evidence from a new space ...

Which way is ‘down’ has a different answer depending on where you are on Earth, in the solar system, in our galaxy and beyond ...

This understanding changed when Dikerby and his team pointed XRISM toward a large gas cloud near the galactic center.

In the shockwave, a red hue represented hydrogen, green represented nitrogen, and blue represented oxygen residing in ...

Curious Kids is a series for children of all ages. If you have a question you'd like an expert to answer, send it to ...

Astronomers have observed a white dwarf – a highly compact Earth-sized stellar ember – that is creating ⁠a colorful shock ...

NASA has released a decades-long video showing Kepler’s supernova remnant evolving in X-rays, using Chandra Observatory data ...

Happy new year! If you're a redhead, the pigments in your hair are protecting you from cellular damage. A post-stroke ...

In this shockwave, a red hue represented hydrogen, green represented nitrogen and blue represented oxygen residing in ...

A new survey maps nearby K-type stars and shows why these long-lived, stable stars are important targets in the search for ...