Remember 3I/ATLAS? Yes, the interstellar comet that made plenty of headlines in 2025 is still romping through our solar ...

Before we say goodbye to our interstellar visitor, another close encounter is on its way. This one could be course-altering.

Astronomers first spotted comet 3I/Atlas in data collected by the Asteroid Terrestrial-impact Last Alert System (ATLAS) in ...

By taking advantage of a maneuver that would see a spacecraft fire rocket engines while in the solar corona, that spacecraft’s velocity could receive a huge boost — enough to allow it to catch up ...

Green Bank Telescope rules out alien signals in interstellar comet 3I/ATLAS after rigorous scientific deep search.

A city-sized green comet, C/2024 E1 (Wierzchoś), is approaching Earth and will soon be ejected into interstellar space, ...

A bold proposal would send a spacecraft plunging close to the sun to slingshot after interstellar comet 3I/ATLAS, an ...

For millions of years, a frozen wanderer drifted between the stars before slipping into our solar system as 3I/ATLAS—only the third known interstellar comet ever spotted. When scientists turned NASA’s ...

Breakthroughs, discoveries, and DIY tips sent six days a week. Terms of Service and Privacy Policy. After months of unprecedented observations, astronomers are ...

We're getting an exciting look at the building blocks of alien worlds. When you purchase through links on our site, we may earn an affiliate commission. Here’s how it works. Breaking space news, the ...

NASA shared some new infrared images of the 3I/ATLAS interstellar comet this week, showing the visitor brightening up in a dramatic outburst while exiting a solar system. The images were taken by the ...