The status of Pluto not withstanding, our solar system has 8 planets, but one astronomer believes we used to have a ninth ...

A TEAM of astrophysicists have made a bombshell scientific discovery after detecting a radio signal coming from beyond the ...

James Webb cannot see chariklo’s rings directly but their shadows revealed that something is happening to them.

Ancient iron meteorites reveal that some of the Solar System’s first solid bodies were built mostly from tiny heat-forged rock beads called chondrules, while water-rich dust was largely excluded. The ...

Thousands of planets have been discovered beyond our solar system, offering clues to where life might thrive and whether ...

Ancient grains inside one of the oldest known meteorites reveal that a surprisingly strong magnetic field existed during the solar system’s first 200,000 years. The discovery suggests magnetism worked ...

If the outer solar system’s first solid bodies had come with a recipe, it would have called for a generous helping of chondrules, millimeter-sized beads of rock forged by heat, and very little icy ...

Asteroid Bennu's chemical fingerprint is revealing new clues about where it formed and the surprising role Jupiter played in ...

Iron meteorites show the first bodies of the early solar system were 83% to 92% dry rock, with water arriving millions of ...