A rare interstellar comet will sweep past Earth this week at a safe distance, giving scientists a brief chance to study ...

I/ATLAS on reconnaissance mission? The interstellar comet 3I/ATLAS is passing through the solar system. It will reach its ...

New images of interstellar object 3I/ATLAS show a sunward anti-tail extending over 500,000 kilometers, surpassing the ...

The first X-ray portrait of comet 3I/ATLAS has turned a rare interstellar visitor into a powerful new probe of the space between the stars. By catching the comet in high-energy light, ESA’s XMM-Newton ...

Comet 3I/ATLAS is now moving out of the Solar System, but its closest passage to Earth is still a few days away. On December ...

While the 21st century has been bumpy, it has also ushered in monumental scientific and technological breakthroughs that have ...

3I/ATLAS will soon be approaching Earth at its nearest to the only known planet with life teeming. On its closest flyby on ...

The familiar script of planetary defence has been torn up. For decades, the globe's foremost space agencies operated under ...

This rare interstellar visitor (C/2025 N1) is visible now! While too faint for the naked eye, amateur astronomers can easily ...