Today, it’s believed that Jupiter and Saturn, the largest planets, were the first to fully form, both within a few million years. Uranus and Neptune were next, within 10 million years. The inner ...

The spacecraft's tilted orbit will allow scientists to investigate the mechanisms behind space weather that impact crucial ...

“It is the strongest sign to date of any possibility of biological activity outside the solar system,” Cambridge astrophysicist Nikku Madhusudhan said during a livestream on Thursday. By ...

NASA’s PUNCH mission is mapping the solar wind and explosive solar events in 3D, offering new insights into space weather ...

Pluto was reclassified as a dwarf planet in 2006. Our solar system may have a ninth planet after all, researchers say. The possibility that an additional planet may be hidden far into the solar ...