Here’s what you should know when you go outside to see for yourself: Yes, the planets are indeed lined up across our sky. No, ...

University of Iowa researchers found in a new study that images of Earth that kindle "blue marble awe" could create more favorable views of renewable energy and the environment.

NASA's James Webb Space Telescope has been used to shed new light on the exoplanet, GJ 1214 b, which is more than eight times ...

A planet’s opposition occurs when Earth passes between it and the Sun ... spot Uranus without binoculars or a telescope in a dark, transparent sky, that’s not true for Neptune.