Physics sets unforgiving limits on how fast anything can move, yet the same laws also leave surprising room for creative ways to cross the gulf between stars. The real question is not whether the ...

The interstellar comet 3I/ATLAS is leaving our solar system for good. Here's what to know about its journey and NASA's observations.

By taking advantage of a maneuver that would see a spacecraft fire rocket engines while in the solar corona, that ...

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 ...

Comet 3I/ATLAS recently emerged from behind the glare of the sun to become visible to ground-based telescopes. When you purchase through links on our site, we may earn an affiliate commission. Here’s ...

JUICE and the Hubble Space Telescope turned their gazes towards the interstellar visitor in November. When you purchase through links on our site, we may earn an affiliate commission. Here’s how it ...

The Alpha Centauri star system is just 4.2465 light-years away – a relative hop, skip, and a jump in a galaxy 100,000 light-years across. Wouldn't it be great to visit? Not just with a fleet of ...

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 ...