The very first stars in the universe may have been much smaller than scientists thought — potentially explaining why we can't ...

Astronomers have discovered the oldest and most distant black hole — a behemoth that likely formed at the dawn of the ...

Astronomers have spotted two massive galaxies locked in a cosmic tug-of-war 700 million light-years from Earth — and for the ...

Astronomers may have caught a supermassive black hole in the act of forming inside a uniquely shaped galaxy. Astronomers ...

Across the cosmos, heavier galaxies tend to host heavier black holes, a pattern known as the M–σ relation. But the Cosmic ...

A Chilean observatory has unveiled the largest telescope in the world, equipped with a simply massive camera and capable to ...

Whether they look more like us or have green skin, many of these alien races are some of the most well-known extraterrestrials in science fiction. Natives of the planet Rann, the Rannians look like ...

“Our findings provide the first precise, quantitative explanation for how lightning initiates in nature,” Victor Pasko, the ...

Since Superman is a smash hit, it's time to look ahead and decide which villains should fight the DC hero next.

We are now studying the earliest hundreds of millions of years after the Big Bang, and researchers have confirmed the most distant known black hole in the universe. The cosmic object sits at the core ...

If you want more of the deep space exploration, interstellar drama, and cosmic action of "Stargate SG-1," then look no ...