Across the galaxy, astronomers now see that planetary systems fall into four broad classes, and our own solar system, part of the rare Ordered group, is only one of them. At the same time, discoveries ...

A Sun-type star situated nearly 3,000 light-years from Earth has provided astronomers with a unique opportunity to observe an ...

The origin of super-Earths and sub-Neptunes has been revealed in a system of four young planets that are dramatically losing ...

When you think of a planet, you probably think of one of the planets in our own solar system, like Earth, Jupiter, or Mars. Most of the exoplanets we’ve discovered have been like those in our solar ...

Just decades after the first exoplanets were identified, our database of the distant worlds—monitored by the NASA Exoplanet Science Institute—has breached a new threshold. Now, astronomers have ...

When two giant planets collide, an even bigger world may be born. When you purchase through links on our site, we may earn an affiliate commission. Here’s how it works. Based on new simulations, ...

"Every new result can reshape our understanding of planets, their habitability, and our place in this universe." When you purchase through links on our site, we may earn an affiliate commission.

Simulation studies indicate water formation within the first 200 million years of the universe, primarily through supernovae from the first generation of stars. Pair-instability supernovae, occurring ...

(The Conversation is an independent and nonprofit source of news, analysis and commentary from academic experts.) Chris Impey, University of Arizona (THE CONVERSATION) If you look across space with a ...