It may not look like much in this sequence of images taken by NASA's Deep Impact spacecraft from a distance of half a billion miles in January, but the comet identified as C/2012 S1 (ISON ...

The mysterious planet Nibiru has fueled apocalyptic theories, from a potential Earth collision to links with ancient aliens.

The brightest comet of the year was spotted skimming just past the sun by a satellite orbiting our star. The comment, named Comet ATLAS (C/2024 G3), came within 8.3 million miles of the sun on ...

Thursday night could be one of the last nights you'll be able to see a super rare comet and its bright tail streaking across the Australian skies. It's called Comet C/2024 G3 (ATLAS) and for the ...

So, if some of a comet’s mass suddenly disappeared one day, its orbital period should remain unchanged. In the real world, however, mass does not simply disappear — it has to go somewhere.

After an extraordinary year of watching full moons, eclipses, meteors and northern lights, a comet will be viewable right off the bat in 2025. It's called comet C/2024 G3 (ATLAS), which Space.com ...

In the second week of 2025, we could see a new object grace the skies as comet ATLAS (C/2024) G3 gets close to the sun. In the wake of comet C/2023 A3 (Tsuchinshan–ATLAS) in October, comet G3 is ...

Related: Rare display of northern lights and Perseid meteor shower delights skywatchers worldwide (photos, video) — When: July 14 to August 24 — Peak: Aug. 11-12 — Comet of origin ...

Scientists have imaged exocomet belts around 74 stars, revealing tiny pebbles that shed light on planetary formation. The study shows that belt structures vary widely, hinting at hidden planets ...