"An epic exploration of possibilities. What If is a Webby Award-winning science web series that takes you on a journey ...

In 2011, a project that surveyed the Milky Way galaxy for exoplanets — which are planets beyond our solar system — spotted an intriguing signal: They found two objects traveling together ...

Astronomers may have found a star racing through our galaxy at an incredible speed—dragging a planet along with it! If ...

Astronomers may have discovered the fastest-moving planet system ever found, moving through our galaxy at speeds of at least ...

How fast can solar systems orbit our Milky Way Galaxy? This is what a recent study published in The Astronomical Journal ... College Park and NASA’s Goddard Space Flight Center and lead author of the ...

With this answer comes more of an idea about where planets are likely to form in our galaxy. They have found that stars with high-mass planets have higher metallicity than those with lower amounts ...

NASA scientists have detected a star and trailing exoplanet that may be sailing through the Milky Way with unprecedented ...

Scientists found an intriguing world in our galaxy.

An object we thought belonged to the most common category of planet in the galaxy has turned out to be something we've never ...

If true, the alien sun and its exoplanet companion are speeding through our galaxy at more than 1.2 million mph. However, it is unclear if this is really the case.