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

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

Earth is home to some truly bizarre and breathtaking landscapes — here are 20 that look straight out of an alien world.

With each passing night as, the crescent slowly widens and it begins to appear against a progressively darker background, its ...

Nobody knew what they are, and whether they are only a temporary phenomenon, or if they have been sitting there for millions ...

From mammoth African elephants to giant whales, let's take a look at the 8 largest mammals that inhabit our planet.

Half a degree rise in global warming will triple area of Earth that is 'too hot for humans’ - Unsurvivable heat thresholds ...

Travel back through time to meet the world’s most enormous animals, brace yourself for the final fantastic adventure in a ...

The new exoplanet, Enaiposha, also known as GJ 1214 b has never been seen before and is now officially being called a "Super-Venus." ...

But the vegetation on other planets might absorb different wavelengths of light ... mirror will exceed all existing Subaru-size telescopes combined. Outfitted with a souped-up version of Guyon ...

YR4 might force NASA to plan the first-ever space mission to push an asteroid away from Earth. Most likely, though, it's a non-threat.