A free-floating planet drifting through space is being closely followed by scientists who are managing to find out more about ...

A rare alignment of two exoplanets with their star, marking one of the few known exosyzygies, an astronomical event involving ...

Astronomers have finally weighed a wandering “rogue” planet, uncovering a Saturn-mass world flung into the galaxy after a ...

How does a star affect the makeup of its planets? And what does this mean for the habitability of distant worlds? Carnegie's ...

Most planetary systems contain worlds larger than Earth but smaller than Neptune, and the low-density planets around one ...

Supporters of planetary colonization argue that becoming a multi-planet species could safeguard us from potentially ...

Thanks to the discovery of thousands of exoplanets to date, we know that planets bigger than Earth but smaller than Neptune ...

Most planets are part of a star system of their own – but some go their own way, and they have remained largely mysterious ...

Planetary Resources, Inc., the asteroid mining company, has launched a campaign for the world’s first crowdfunded space telescope to provide unprecedented public access to space and place the most ...

"I feel the next ability that we really need to work on is rapid response." When you purchase through links on our site, we may earn an affiliate commission. Here’s how it works. In case you haven't ...

Jupiter, as always, is a dazzling object, shining among the stars of Gemini the Twins. It reaches opposition on Jan. 10; this ...