Astronomer and Pluto mission leader S. Alan Stern explores how the field has transformed during his decades-long career.

An international team of astronomers has uncovered a striking cosmic anomaly. A feeding black hole has been detected roaming ...

with cosmic collisions triggering wild bursts of star formation that depleted most of the galaxies' available gas about half a billion years before JWST's observations, the researchers wrote. Sign up ...

What was the universe like in the first few hundreds of millions of years after it came into existence? How did the first ...

A dazzling bolt of radio light from across intergalactic space is the most powerful of its kind seen to date – and its ...

The Milky Way's satellite galaxies are less typical than previously thought. Most Milky Way-like galaxies have star-forming satellite galaxies, unlike our own. The Milky Way's unique satellite galaxy ...

In “Citizen Science in Astronomy (Part 7),” SETI Institute astronomers Dr. Franck Marchis and Dr. Lauren Sgro highlight two rare and compelling discoveries and the crucial role of citizen scientists ...

Astronomer Vera Rubin, now honored on a U.S. quarter, transformed our understanding of the universe by uncovering powerful evidence of dark matter. Her groundbreaking work revealed that most of the ...