Fresh results from near-infrared instruments foretell a bright future for finding life elsewhere in the Milky Way ...

Every planet in our solar system is essentially round. But out in the universe, are there any planets that aren't spherical? Technically, planets are round, by definition; they need to have enough ...

Dark matter is one of the biggest puzzles in science. Although it makes up about 85 percent of all matter in the universe, it ...

"This black hole could then grow and consume the entire planet, turning it into a black hole with the same mass as the ...

We currently know of more than 5,800 planets beyond the solar system, but we've only found the tiniest fraction of the exoplanets that astronomers think lie elsewhere in the universe.

For decades, astronomers have wondered what the very first stars in the universe were like. These stars formed new chemical ...

New research contends that the Milky Way alone is flush with billions of potentially habitable planets -- and that's just one sliver of the universe. Eric Mack has been a CNET contributor since ...

How many planets are in the universe? One of the earliest lessons you learn in school is that our Solar System is made up of eight planets – plus Pluto. We live in just one of thousands of star ...

But if you do the math, that means for every star-orbiting planet like ours in the galaxy, there may be up to 100,000 planets that not only don’t orbit a star now, but most likely never did.

The planet becomes tidally locked to its host star, with the same side of the planet facing the star at all times. On top of that, WASP-103 b is orbiting its star extremely quickly, leading to a ...