Dwarf planet 2023 KQ14, Ammonite, has a stable orbit that challenges the hypothesis of the mysterious Planet Nine.
The methane gas may constitute a rarefied atmosphere, or it may come from erupting plumes on Makemake’s surface.
3don MSN
3I/ATLAS, comet hurtling toward solar system, much bigger than previously thought, astronomers say
The interstellar object hurtling toward the inner solar system, where Earth is located, is much larger than previously thought, astronomers say.
A NASA mission, IMAP, and two more spacecraft that will study space weather are traveling through space atop a single SpaceX ...
Object 3I/ATLAS is now too far from Earth to aim a telescope at, but prior observations showed some unusual behavior. The anomalous nature of the object led astrophysicist Avi Loeb to apply a thought ...
Sign up for CNN’s Wonder Theory science newsletter. Explore the universe with news on fascinating discoveries, scientific advancements and more. Astronomers have ...
The outer solar system is a vast and mysterious place that could be harboring hidden objects we know almost nothing about — from the elusive Planet Nine and baby black holes to interstellar visitors ...
A tiny meteorite is rewriting what scientists thought they knew about the origins of our solar system. New evidence found in shavings from a meteorite known as Northwest Africa 12264 — a 50-gram (1.8 ...
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