A rare interstellar comet will make its closest approach to Earth this week, offering scientists an unprecedented opportunity ...

Discovered over the summer, the comet known as 3I/Atlas will pass within 167 million miles of our planet on Friday. That's as ...

Interstellar comet 3I/ATLAS will make its closest approach to Earth on Friday, Dec. 19, marking a key moment in the journey ...

NASA's Nancy Grace Roman Space Telescope team has released detailed plans for a major survey that will reveal our home galaxy ...

The comet will come much closer to Jupiter in March, zipping within 33 million miles. It will be the mid-2030s before it ...

On July 1st, 2025, the third interstellar object (ISO) ever detected was seen making its way through our solar system.

Interstellar comet 3I/ATLAS makes its closest Earth approach on Dec. 19, offering astronomers a rare chance to study a visitor from beyond the solar system ...

The comet will come much closer to Jupiter in March, zipping within 33 million miles (53 million kilometers). It will be the ...

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

Discovered on July 1 by the NASA-funded ATLAS telescope in Chile, 3I/ATLAS is only the third confirmed visitor from another ...

With major eclipses, brilliant supermoons, and lineups of five or more planets, 2026 offers something awe-inspiring in every season. Here’s what to watch for.

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