The giant planets weren't always where we find them today. Jupiter, Saturn, Uranus and Neptune formed in a more compact ...

Before 3I/ATLAS, the only other confirmed interstellar tourists we've seen were the now-famous, cigar-shaped 'Oumuamua' in ...

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

Astronomers are uncovering distant worlds beyond our solar system using ingenious indirect methods like observing stellar ...

This is the story of our cosmic neighborhood's front row. We explore the four rocky planets forged in the sun's heat: ...

The journey of Voyager I and II beyond the orbit of Neptune. Joe Burrow had extremely blunt comments after Bengals’ shutout ...

Interstellar comet 3I/ATLAS is now visible in the UK night sky! The third confirmed alien visitor, whose chemical fingerprint is 'older than our Sun', makes its unrepeatable, 221,000 km/h flyby. Get ...

Nearly 4.5 million years ago, two large, hot stars brushed tantalizingly close to Earth's sun. They left behind a trace in ...

The interstellar comet will pass safely by Earth, giving astronomers their best chance to study it up close. Interstellar comet 3I/ATLAS will make its closest approach to Earth on Friday, Dec. 19, ...

A stray comet from another star is swinging past Earth. Discovered over the summer, the comet known as 3I/Atlas will pass ...

Scientists find that two hot stars passed near our solar system 4.4 million years ago, altering nearby interstellar clouds.

One of the most well-known voices speaking about it is Harvard professor Avi Loeb, who suggests that the object may not be a random wanderer at all. He believes there are a few signs that point to the ...