What would it take to accelerate to Interstellar space by a NASA spacecraft deliberately, within a time that is short enough that the people who designed it and studied it will be available to analyze ...

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 ...

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

Mysterious interstellar object 3I/ATLAS made its closest approach to Earth on December 19, coming within just 167 million miles. Scientists have been closely monitoring the object — which is largely ...

Strange objects from other star systems are visiting our solar system. These interstellar visitors are scientifically valuable but disappear quickly. Scientists are calling for a global response ...

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 ...

Nov. 20 (UPI) --NASA released images of the interstellar comet 3I/ATLAS flying past Mars and, based on the agency's observations, scientists expressed doubt that it is an alien spaceship. Space ...

The interstellar comet 3I/ATLAS is leaving our solar system. See new photos from a European Space Agency orbiter on its way to Jupiter.

A cosmic traveler from beyond our solar system is making its closest approach to Earth this week, offering astronomers and stargazers a fleeting opportunity to witness a visitor from another star ...