The mysterious space rock suggested to be a hostile alien spaceship was due to make its closest approach to Earth today (Dec 19). The rare interstellar visitor, designated Comet 3I/ATLAS, was ...

An astrophotograph of the interstellar comet known as 3I/ATLAS highlights its green coma and a wandering blue-tinted ion tail. (Copyright Victor Sabet and Julien De ...

Is there an Outer SpaceX? With 3I/ATLAS set to fly by Earth in just over a week, experts continue to speculate over its origins. Harvard Scientist Avi Loeb believes that if aliens, the comet wouldn’t ...

The Hubble Space Telescope has captured a new image of the interstellar comet 3I/ATLAS. 3I/ATLAS is the third-ever object discovered that originated from outside our solar system. The comet is not a ...

The comet originated from outside our solar system and poses no danger to our planet. NASA officials have rejected theories that the object could be an alien spaceship. While not visible to the naked ...

NASA's Hubble Space Telescope caught a glimpse of 3I/ATLAS – in July and on Nov. 30, 2025. An ESA orbiter bound for Jupiter also observed the interstellar comet 3I/ATLAS. How big is 3I/ATLAS ...

NASA's alien-hunting Europa Clipper spacecraft took seven hours of ultraviolet observations of interstellar comet 3I/ATLAS while both objects zoom toward Jupiter. When you purchase through links on ...

The interstellar comet 3I/ATLAS made its closest approach to Earth today (Dec. 19, 2025). Here's the latest news you need to know. Good morning, Space Fans! As of today, we are T-2 days until the ...

The best reason to send humans to Mars isn’t for guts or glory—or the construction of colonies to safeguard against existential Earth-bound risks. Instead it’s to answer a single, simple question: Is ...

Readers Edition. This is the (nearly) annual tradition of you, RPS readers, telling us where we went wrong in our annual ...

In an effort to reinforce its identity as the youngest military branch, the U.S. Space Force is adopting an official naming scheme for its mission areas, including drawing from the Norse pantheon for ...