A small, inconspicuous meteorite may be about to change our understanding of how and when our solar system formed. Tiny shavings from the meteorite Northwest Africa 12264 are challenging the long-held ...

A fascinating glimpse into how a solar system like our own is born has been revealed with the detection of planet-forming ...

The new CdTe-on-glass technology offers a lighter, cheaper, and highly radiation-resistant alternative, targeting 20% ...

Rocky bodies called protoplanets were thought to have formed slightly earlier in the inner solar system than those beyond the ...

An "interstellar object" is speeding toward the inner solar system, where Earth is located, astronomers have confirmed.

All eyes are on Comet 3I/ATLAS as astronomers worldwide chase the exotic ice ball through our solar system ...

Astronomers have revealed new research showing that millions of new solar system objects are likely to be detected by a brand-new facility, which is expected to come online later this year.

An artistic rendition of our solar system, including the Sun and eight planets. vjanez/iStock via Getty Images Christopher Palma, Penn State and Lucas Brefka, Penn State Curious Kids is a series for ...

The simulation actually suggests that a planetary loss scenario happens sooner rather than later, making stellar field passage the main cause of instability in the Solar System for the next 4 to 4 ...

There could be a ninth planet in our Solar System after all — and no, it’s not Pluto. Instead, it’s the theoretical Planet X, also called Planet Nine, a wide-orbit planet that would circle the Sun ...

Jupiter, the largest planet in the solar system, was 2 to 2.5 times bigger in its earlier life, according to new research. Credit: NASA / JPL-Caltech / SwRI / MSSS / Tanya Oleksuik Jupiter, the ...

New Minor Planet Spotted Past Pluto, One of the Largest Distant Objects in the Solar System The surprisingly large world has a massive orbit—about 838 times Earth’s distance from the Sun.