According to new simulations, many, even most, planets get ejected from their star early in their history Star Trek ...

All planets are made of gas, ice, rock and metal, and models of how planets form usually assume that these materials don't ...

The extraordinary celestial event known as a planetary alignment or a planet parade treated to outer space marvels ...

outer space, and decades without food or water. It's called a "tardigrade" or "water bear". It's just one of many aquatic invertebrates on the planet, but it's unlike any other life form that ...

Staring at the sun—a close (but safe) look at our home star Staring at the sun—a close (but safe) look at our home star Need a new idea to keep kids entertained? Try stargazing. Need a new ...