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

3I/ATLAS is named for its status as one of three interstellar objects ever discovered in our cosmic neighborhood, as well as ...

Imagine looking up at the night sky and spotting a huge, mysterious interstellar object racing through space, coming from far beyond our solar system. It is moving fast, and it seems to be heading in ...

A newly discovered interstellar object is racing toward our solar system, capturing the attention of scientists worldwide. Unlike other known celestial bodies, this object appears to be emitting its ...

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

The interstellar comet 3I/ATLAS may be out of view of Earth, but orbiters on Mars were able to recently get a look at it.

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.

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 ...

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

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 ...

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

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 ...