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 ...

A new investigation into old Kepler data has revealed that a planetary system once thought to house zero planets actually has ...

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 ...

For only the third time in history, astronomers have detected a new interstellar visitor — an object from another star — blitzing into our solar system.

The object gained an official name, C/2025 N1 or 3I/ATLAS, on Wednesday. Moving at a record-setting speed for an interstellar ...

Our solar system is a pretty wild place, full of amazing stuff. From the giant Sun to the tiny rocks floating around, there’s ...

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 ...