Radio astronomers see what the naked eye can’t. As we study the sky with telescopes that record radio signals rather than light, we end up seeing a lot of circles. The newest generation of radio ...

EST, a SpaceX Falcon 9 rocket will soon roar into the sky, carrying a compact NASA telescope with an extraordinary mission ...

NASA’s SPHEREx mission will survey the entire sky in 102 different “colors” of light, offering scientists an unprecedented ...

Most of them flare just once, randomly, making them impossible to predict, and very difficult to trace back to a source. Some ...

Using NASA's James Webb Space Telescope, Northwestern astrophysicists gained the longest, most detailed glimpse yet of the ...

Radio telescopes detect signals from billions of years ago, but radio-frequency interference presents challenges.

Astrophysicists used the JWST to observe central supermassive black hole for 48 hours total across one year. They found the ...

In 1920, astronomers Harlow Shapley and Heber Curtis held a Great Debate. Shapley argued that the spiral nebulae were small ...

An international team of astronomers has captured the most detailed image ever of a cosmic filament, a vast structure of gas stretching between two galaxies nearly 12 billion light-years away. This ...