A rare meteorite discovered in the Sahara Desert proves that our solar system almost had at least one extra planet. In a ...

NASA’s James Webb Space Telescope has captured the first mid-infrared chemical fingerprint of an interstellar object, ...

The ingredients that help make a planet livable did not necessarily come from where many scientists once thought. A new ...

How do you weigh a planet you can't see? Astronomers may have the answer and it involves "reading between the rings," the ...

Research suggests Earth received most of its phosphorus and nitrogen from nearby planetary building blocks, reshaping ...

Scientists may have found one of the main sources of rocky material for the solar system, forming diverse populations of baby ...

Scientists have discovered a bizarre planetary system where a rocky world orbits farther out than giant gas planets, defying long-standing theories of planet formation. The finding hints that some ...

Four-and-a-half billion years ago, a massive world—possibly as big as the moon or even Mars—orbited our sun before crashing ...

Instead they circled a pulsar, the dead remains of an exploded star. Clearly nature excels at making planets, even under extremely hostile conditions. Planets like those in our solar system form ...

Our solar system is a smashing success. A new study suggests that from its earliest period — even before the last of its nebular gas had been consumed — Earth’s solar system and its planets looked ...

Researchers have developed the Smaller Than Earth Habitability Model (STEHM) to assess which planets can maintain ...

While its star projector leaves a lot to be desired, the Science Can Solar System Planetary Projector is a fantastic educational tool for kids, with its solar system model, complete with talking ...