The planetary meet up between the two brightest planets in our solar system is known as the conjunction and takes place over ...

What if the brilliant halos and sun dogs that are familiar to winter skies here on Earth are also glinting unseen but ...

to orbit around Jupiter, with an average orbit distance of around 0.1520226 astronomical units (AU), with one AU being the distance between the Earth and the Sun. That is an average distance of 22,742 ...

New simulations suggest that up to four of the solar system's rocky planets, including Earth and a long-lost world, once ...

A rare planet in Nu Octantis orbits backward - hinting it may be a second-generation world formed from stellar remnants.

In a mission that changed our understanding of gas giants, NASA’s Galileo spacecraft made history not just in orbit but also ...

Venus will be at its highest in the 2025 predawn sky on Aug. 1, at which time it will appear as a bright 'morning star' to ...

"This is an ultra-hot Jupiter, and orbits much closer to its star than any other hot Jupiter ever discovered." ...

In about 4.5 billion years, the sun will enter the final phase of its life. Its core of hydrogen fusion will expand and, in doing so, inflate the outer atmosphere of the star into gross proportions.