Beyond that, in the decades to come, we might be able to see the colours of an exoplanet’s surface, and determine if plant life might be present there. And then we can search for changes in a planet’s ...

The horizontal coordinate system uses two angles: altitude (or elevation) and azimuth, relative to the observer’s horizon, to locate the celestial object in three-dimensional space. This method is ...

Life needs nutrients like nitrogen and phosphorus. But without the right balance of oxygen, these elements get locked away in planets’ cores.

Astronomers have reported observations of a rare star system consisting of one star orbiting a system of three more tightly ...

The James Webb Space Telescope captured a stunning spiral galaxy 65 million light-years away, revealing glowing dust clouds and stellar nurseries.

The Princeton-led NASA mission has officially begun its science mission to study the sun and everything it touches. Princeton marked the occasion with a panel discussion, science talks and a reception ...