Comet 3I/ATLAS is a rare visitor passing briefly through our solar system. Here’s how to find it in the night sky—and what ...

Beyond the asteroid belt lies a realm of giants, rings, and frozen mysteries. This video tours the colossal storms of Jupiter, the graceful rings of Saturn, the sideways tilt of Uranus, and the ...

Tonight, stargazers have a unique opportunity to witness a rare celestial event as interstellar comet 3I/ATLAS makes its closest approach to Earth. This article will guide you on what 3I/ATLAS is, ...

The comet will reach its closest point to Earth at 1am EST (6am GMT) today, coming within 270 million kilometers of us. ...

In 1994, the fragments of the Shoemaker-Levy 9 comet smashed into Jupiter with a force equal to 300 million atomic bombs.

This interstellar vagabond is only the third large interstellar visitor that we have ever discovered — an asteroid or comet ...

Comet 3I/ATLAS will get closest to Earth on Dec. 19, and astronomers will be watching.

The interstellar comet 3I/ATLAS has started to brighten and dim in a remarkably steady rhythm, repeating every 16.16 hours as it sweeps through the inner solar system. That optical heartbeat has drawn ...

Interstellar comet 3I/ATLAS reveals astonishingly rich organic chemistry, confirming that life's building blocks are ...

Astronomers have spotted an intriguing cluster of objects in the Kuiper belt, the enormous, donut-shaped region of icy objects beyond the orbit of Neptune. This latest “inner kernel” was identified by ...

A vast region of our solar system, called the Kuiper belt, stretches from the orbit of Neptune out to 50 or so astronomical units (AU), where an AU is the distance between Earth and the sun. This ...