Add Yahoo as a preferred source to see more of our stories on Google. This image, provided by NASA, shows the interstellar comet 3I/Atlas captured by the Hubble Space Telescope on Nov. 30, 2025, about ...

Add Yahoo as a preferred source to see more of our stories on Google. A stray comet from another star swings past Earth this week in one last hurrah before racing back toward interstellar space.

Interstellar comet 3I/ATLAS has steadily been making its exit ever since it had a rendezvous at the end of October with the sun.

Our solar system's famous "invader" might be as old as the Milky Way itself.

The mystifying 3I/ATLAS interstellar comet is blazing toward Earth and will in a matter of days come as close to our planet as it ever will. The impending cosmic rendezvous – if you want to call it ...

At the time of the observations, comet 3I/ATLAS had just passed its perihelion, its closest ever approach to the Sun. While ...

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 ...

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 ...

Scientists propose that life-sustaining environments may exist on moons orbiting free-floating planets drifting through interstellar space.

An international team of scientists, led by the University of Oxford, has achieved a world-first by creating plasma "fireballs" using the Super Proton Synchrotron accelerator at CERN, Geneva, to study ...

A stray comet from another star swings past Earth this week in one last hurrah before racing back toward interstellar space.Discovered over the summer, the comet known as 3I/Atlas will pass within 167 ...