Scientists measured mass and distance of free floating planet drifting through space without star for first time.

Here's how the astronomical phenomenon influences our planet—from the length of our seasons to the way Earth moves through ...

P erihelion – or the Earth's closest approach to our host star – will take place on January 3, 2026. At this point, our ...

NEW YORK — Venus will pass between the Earth and sun on Saturday during what's called an inferior conjunction. But don't plan on seeing the linkup. The sight is extremely difficult to spot without ...

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