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 ...

I/ATLAS, earlier known as A11pI3Z, is only the third interstellar visitor to be discovered passing through our corner of the ...

An object from another star has been seen entering the solar system at high speed, and is expected to whip around the sun in ...

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 ...

NASA has discovered 3I/ATLAS, only the third known interstellar object, now passing through our solar system from the ...

Stars often whip their planets with solar winds and radiation, pull them ever closer with gravity and sear them with heat.

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

James Webb’s mid-infrared vision has likely captured a frigid, Saturn-mass planet shaping the dusty rings around the nearby ...

NASA’s Jet Propulsion Laboratory (JPL) has shared its skywatching highlights - revealing what will light up the sky in July ...

Long theorized but never observed, the first known “planet with a death wish” is described by Ilin and her colleagues in a ...