The number of planets that orbit the sun depends on what you mean by “planet,” and that’s not so easy to define ...

New James Webb Space Telescope observations of a star cluster called NGC 346 are shedding light on how, when and where ...

Worlds with liquid water could have formed just 200 million years after the big bang from the remains of the earliest ...

Staring up at the night sky, you might see thousands of stars sprinkled above the horizon. It feels as though you can see so ...

Abundance of Earth-like Exoplanets The universe has no shortage of similarities to Earth when it comes to celestial ...

Sean Murray says new engine advances in Light No Fire's development creates "…this urge to share it with the [No Man's Sky] ...

Certain extreme planets are called ultra-short period objects if they're very close to their stars and orbit them in mere hours, like K2-22b.

Thirty years after the discovery of the first exoplanet, we detected more than 7000 of them in our Galaxy. But there are ...

The building blocks of life could have been delivered to Ceres by one or more space rocks from the outer asteroid belt.

Helium can help scientists detect the speed and direction at which we’re moving through space. Deuterium, which is left over ...

The extreme supersonic winds of WASP-127b are more than 60 times faster than the fastest winds ever observed on Earth ...