K2-18b, an exoplanet 120 light-years away, may be the best hope to confirm that life exists beyond Earth. Here's what to know.

A new study suggests the universe might be slowly rotating, completing a full revolution every 500 billion years. This subtle ...

The Trump administration wants to significantly cut NASA’s budget next year, slashing science research funding in half, a ...

A team of scientists has proposed a revolutionary idea to explain one of the greatest contradictions in our understanding of ...

However, that isn’t what scientists see. Instead, stars orbit at about the same speed regardless of their distance from the galactic center. You might see this referred to as the "Galaxy Rotation ...