The comet is the third object ever confirmed to have entered our cosmic neighborhood from elsewhere in the galaxy. Space ...

American space agency NASA announced the Fly Foundational Robots mission in 2027, meant to test a robotic arm made by Motiv ...

Wondering what 3I ATLAS is all about? Here's what to know as interstellar comet 3I/ATLAS nears Earth this week, when to watch ...

The interstellar comet 3I/ATLAS reaches its closest point to Earth on Dec. 19, allowing close study with no threat to the ...

Voyager 1 and 2 traveled billions of miles to reach the heliopause, showing how the Sun's magnetic influence marks the boundary of our solar system.

While the Voyager spacecraft are constantly traveling out of the Solar System, sometimes they are getting closer to Earth.

New 3I/ATLAS images from NASA and the ESA suggest the interstellar comet is active as it approaches Earth in December.

What is notable about the interstellar object 3l/ATLAS, which will soon approach Earth? A number of unusual behavioural changes in 3I/ATLAS have led to speculation that an artificial probe is ...

Scientists who, studying the available data, have concluded that 3I/ATLAS is, to paraphrase, a comet doing comet things.

The HAP-alpha high-altitude solar aircraft has completed key ground testing at the German Aerospace Center (DLR).

New high-contrast images from SPHERE show a stunning variety of debris disks shaped by collisions of tiny planet-building ...