Comets and asteroids preserve the building blocks of our solar system and should help explain its origin. But there are unsolved puzzles. For example, how did icy comets obtain particles that formed ...
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Astronomers discover skyscraper-size asteroid hidden in sun's glare — and it's moving at a near-record pace
The newly discovered "twilight" asteroid, 2025 SC79, was obscured by the sun's glare until an astronomer pointed the Dark ...
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'There are lots of mysteries in our backyard': Revised solar system chemistry explains long-standing puzzles
Astronomers say they have figured out the true chemical makeup of our solar system, revealing that it contained much more carbon, oxygen and nitrogen than previously thought. Chiefly, the finding ...
Researchers are studying eccentric warm Jupiters, giant exoplanets that follow odd, elongated orbits unlike anything in our solar system.
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