These 80 space trivia questions are great to play with friends, challenge your family with or play by yourself. See how much you really know about the universe, below. Related: What a Wonderful ...

Are planets in the solar system that are closer to the Sun older than the ones further away? – Gavriel, age 10, Paducah, Kentucky A cloud of collapsing gas created our Sun, the first thing to form in ...

After marking the 30th anniversary of the discovery of the first exoplanet around a sun-like star, we now look forward to what the next 30 years might offer. When you purchase through links on our ...

A new 28-minute film explores the medical, social, political and ethical challenges of parenthood and child-rearing that truly permanent communities in space will need to solve. When you purchase ...

The search for an unknown planet in our solar system has inspired astronomers for more than a century. Now, a recent study suggests a potential new candidate, which the paper’s authors have dubbed ...

There are a couple of ways that scientists can date planets, so which planets formed first in our solar system? When you purchase through links on our site, we may earn an affiliate commission. Here’s ...