Astronomers have discovered thousands of planets beyond our solar system, but finding them is incredibly difficult. Unlike stars, planets don’t shine on their own, making them almost invisible across ...

It's possibly as big as Manhattan, likely older than our own solar system and it's traveling through space at speeds of up to 153,000 miles per hour. It's also only the third confirmed interstellar ...

Discover the rare interstellar comet 3I/ATLAS, captured by a Jupiter-bound spacecraft. Learn how this visitor from outside ...

This summer, scientists spotted an incredibly rare visitor to Earth’s solar system—a comet, now known as 3I/ATLAS, that entered our solar system from the galaxy beyond and is zipping past the sun at a ...

Exoplanets are planets outside Earth's solar system that most often orbit a star. Astronomers have managed to bring an exoplanet into unprecedented focus by using a technique the researchers call 3D ...

An astronomy professor explains what exoplanets are, why he keeps looking for them and how Israel intercepts missiles “in ...

NASA will release new high-res images of interstellar comet 3I/ATLAS on Nov. 19, 2025. The comet, which originated outside our solar system, was first spotted in July and is only the third such object ...