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Astronomers have discovered the earliest seeds of rocky planets forming around a baby sun-like star, an unprecedented snapshot of "time zero," when new worlds begin to gel.

International astronomers have for the first time witnessed the birth of a planetary system beyond Earth's sun that could one day resemble our own.

Astronomers have discovered the earliest seeds of rocky planets forming around a baby sun-like star, a peek into the dawn of our own solar system.

The Solar System, our cosmic home, is a fascinating and dynamic region of space filled with a diverse range of planets, moons, and other celestial objects.

Tiny shavings from a single meteorite could completely overturn our understanding of how the solar system formed, after the space rock turned out to be older than expected.

NASA scientists have confirmed that a mysterious object shooting toward us through the solar system is an "interstellar object" — only the third of its kind ever seen.

3I/ATLAS is only the third interstellar object ever detected. You can stream the object live today, or maybe see it from your own telescope!

Astronomers have discovered a rare instance of a interstellar comet speeding through the solar system. The 3I/ATLAS was first spotted on July 1 by the NASA-funded Asteroid Terrestrial-impact Last ...

Visitors from beyond the solar system In news that surely isn't ominous, interstellar visits have been getting more frequent lately. In fact, scientists only first detected an extrasolar object in ...