Dive into NASA's ATLAS system as interstellar 3I/ATLAS nears Sun on 29 Oct 2025—no Earth hit, but astrometry campaign probes ...

By early December, 3I/ATLAS will move away from the Sun’s vicinity, and its glare, and will be visible again in the Northern ...

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

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

Comet 3I/ATLAS is hitting a major milestone on Oct. 30, 2025. The interstellar comet is reaching perihelion, its closest point to our Sun, marking the climax of its brief journey through our solar ...

Interstellar comet 3I/ATLAS has reached its closest approach to the Sun, a critical moment for astronomers to observe its ...

As you can see on the star chart, Comet Lemmon starts the month below the Plough, and then moves through Boötes into Serpens, brightening all the time. As it passes closest to the Earth on 21 October, ...

Comets Lemmon and SWAN will be at their brightest just as the annual Orionid meteor shower produced by Halley's Comet reaches ...

Comet Lemmon, also designated C/2025 A6, was discovered in January by a telescope scouring the night sky for near-Earth ...

Mysterious comet 31/ATLAS has just done something which looks like 'controlled manoeuvring' according to the scientist who ...

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.

Yes, absolutely! When asteroids or comets hit rocky bodies such as the moon or Mars, they form impact craters that displace a large volume of material from the surface. Some of this material can be ...