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 ...

The rare interstellar comet 3I/ATLAS is under intense scrutiny as it passes through the solar system. Spacecraft like Hera, ...

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

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, ...

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.

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

We’d certainly know about it if an asteroid hit Mars or the moon, but just how much Earth would be affected depends on a number of factors ...

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

The peak of the2025 Orionid meteor shower coincides with the New Moon, meaning you should be able to see even faint meteors ...

The comet reached its closest approach on the night of October 21, at a distance of 56 million miles from Earth. Until Monday ...