On 29 October 2025, 3I/ATLAS will reach its closest distance to the sun. Should we worry? Here's what experts say.

Contextualizing speed and distance helps set expectations. Around perihelion, 3I/Atlas is moving at roughly 68 km per second. Its closest approach to Earth is about 1.8 AU, near December 19, which is ...

Interstellar visitor 3I/ATLAS will reach perihelion on October 29, 2025, sparking theories from alien spacecraft to ...

A Harvard scientist has ignited speculation, claiming that a comet currently under observation might not be a mere icy rock.

Astronomers have captured striking new images of the interstellar object 3I/ATLAS shooting a massive jet of gas and dust ...

When you get the chance to go on vacation, take it by October 29, because you never know what may come. That was Harvard ...

Where will 3I/ATLAS be on October 29? The interstellar comet 3I/ATLAS will reach its closest point to the Sun at 1.4 au. It ...

A massive coronal mass ejection (CME) is hurtling from the Sun's far side, setting a collision course for the unusual ...

Comets tend to have two tails. One is known as the dust tail, and it tends to be more curved, while the other, known as the ...

A rare, green-glowing comet will make its closest approach to Earth next week — and it won’t return for more than a thousand ...

A rare green comet is passing by Earth and can be seen with the naked eye from Oklahoma – and the next shot to catch it won’t ...

A rare green Hallowe’en comet will be visible in the night sky over the next few weeks before it vanishes for 1,300 years.