On July 1 this year, astronomers discovered an object moving through the Solar System at escape velocity, our third ...

An amateur astronomer looking through data from NASA's Perseverance rover may have spotted interstellar comet 3I/ATLAS as it ...

Neal Girandola and Andrew Triana run the “Mostly True Alien Stories” podcast. The podcast’s TikTok channel explains, “We just ...

NASA and the European Space Agency are tracking the 3I/ATLAS interstellar object as it travels past Mars on its way toward the Sun and through the solar system.

3I/ATLAS, an interstellar object currently zipping through the solar system, is capturing the attention of astronomers, the ...

The comets A6 (Lemmon) and R2 (SWAN) are visitors from the chilly fringes of our solar system, and could even be visible at ...

For science-fiction enthusiasts, that’s a bit depressing. Space is big, and while the speed of light is incredibly fast to us ...

Need a refresher about 3I/ATLAS? Here's everything to know about the interstellar object, including when the latest ...

We all need some space sometimes—but it's harder to find than you might think. How far into our universe do we have to go to ...

A new listing of the 50 most concerning pieces of space debris in low-Earth orbit is dominated by relics more than a ...

DARC is designed to track multiple small moving objects in geosynchronous orbit — all around the globe, 24 hours a day. A powerful new radar system designed to detect and track objects in distant ...

Astronomers have detected an unusually powerful and compact object in a nearby galaxy, one so bright and unique that it may represent an entirely new class of cosmic phenomena. The source, named ...