Usually, sunlight makes cometary gases glow green from diatomic carbon (C2) or blue from ionized carbon monoxide (CO+). With ...

A truly once-in-a-generation event is unfolding! Interstellar Comet 3I/ATLAS is now visible from Earth after its journey ...

A Harvard astrophysicist who believes the Manhattan-sized comet hurtling towards Earth could possibly be fueled by alien ...

I/ATLAS changed color again and what is it this time? The interstellar comet has shown a new blue hue after its recent ...

An astronomer from the USA captured several images of the interstellar comet 3I/ATLAS in the early morning hours. It was not ...

An incredibly rare astronomical phenomenon is taking place in our sky right now, you just can't see it - yet.

Skywatchers could see up to 10 brilliant meteors every hour as Earth passes through debris from Comet Encke, although ...

Comet 3I/ATLAS was first detected on July 1, 2025 by the Asteroid Terrestrial-Impact Last Alert System (ATLAS). As it approached the Sun, it displayed a subtle non-gravitational acceleration, ...

Interstellar comet 3I/ATLAS, which originated outside our solar system, has reportedly confirmed one of Albert Einstein's ...

Comet 3I/ATLAS has now been seen from Earth again after passing behind the Sun, fresh images show, captured by an astronomer ...

Interstellar object 3I/ATLAS has baffled NASA and astronomers after it changed colour to 'distinctly bluer than the Sun' and ...

Recent observations of the interstellar object 3I/ATLAS show that it has developed a faint blueish hue, hinting at a potential color change. This is the third time experts have seen the comet's ...