Methuselah, located 12,400 light years away in the constellation Scorpio, is one of the most ancient exoplanets ever ...

Just the third-ever confirmed interstellar object has been detected in our solar system. Here's what we know. (Spoiler: It's ...

A new interstellar object, A11pl3Z, has been discovered in our solar system, marking the third such object to be observed. It ...

The solar system’s smallest, innermost planet will resemble a tiny black dot Monday as it passes directly between Earth and ...

NASA has discovered a new interstellar comet that's currently located about 420 million miles away from Earth. The space ...

A fascinating glimpse into how a solar system like our own is born has been revealed with the detection of planet-forming ...

Stars often whip their planets with solar winds and radiation, pull them ever closer with gravity and sear them with heat.