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

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 ...

While scientists are confident it is a comet, its origins have ignited wild theories, including the persistent idea that it ...

Astronomer Gianluca Masi captured spectacular footage of a glowing meteor trail wrapping around the colossal tail of Comet ...

Research shows Jupiter’s strong gravitational pull may have protected Earth by keeping its orbit steady and preventing it from drifting toward the Sun.

Comet Lemmon, a long-term comet visible in the night sky over Northeast Wisconsin, is offering a rare celestial display.The ...

Comet 3I/ATLAS is warming up as it approaches the sun, causing a jet to emerge. The jet is visible in a dramatic new image.

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

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.

The shooting stars are a stream of debris from Halley's Comet, which the Earth hits every year. The meteors are also some of ...

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

The Orionids — one of two major meteor showers caused by remnants from Halley’s comet — will peak with the arrival of a new ...