At the center of our galaxy, there’s a mysterious, diffuse glow given off by gamma rays — powerful radiation usually emitted by high-energy objects such as rapidly rotating or exploding stars. NASA’s ...

An invisible monster lurks beyond the stars of the constellation Sagittarius near the border with Scorpius: a supermassive black hole, designated as Sagittarius A* (pronounced “Sagittarius A-star”), ...

Our Milky Way galaxy never sits still: it rotates and wobbles. And now, data from the European Space Agency's Gaia space telescope reveal that our galaxy also has a giant wave rippling outwards from ...

Right now, our solar system is hosting a friendly (it is friendly, right?) visitor from far, far away. But it turns out, it's also visiting from long, long ago, and that makes our friend (it is a ...

Alfredo has a PhD in Astrophysics and a Master's in Quantum Fields and Fundamental Forces from Imperial College London.View full profile Alfredo has a PhD in Astrophysics and a Master's in Quantum ...

The Milky Way's core will be visible to stargazers in the southern hemisphere, including Tennessee, this month and throughout August. No special equipment is needed to view the galaxy, just a dark sky ...