After Friday's spectacle, a "planet parade" of this size won't appear in the night sky for several years, experts say.

NASA’s Mars Orbiter is rolling 120° to help see beneath the surface - and it’s revealing clearer signs of ice, rock, and ...

One other planetary lineup to see in 2025. Stargazers have one more opportunity in 2025 to catch a multi-planet lineup, according to NASA, when four planets become visible before sunrise in late ...

A new gas giant world discovered by citizen scientists using data from NASA's exoplanet-hunting spacecraft TESS is cool, ...

Astronomers estimate that an asteroid this large comes this close to Earth only about once every 7,500 years. It also appears ...

The James Webb Space Telescope has discovered an exoplanet using the direct-imaging technique. The host star's light was ...

A new composite image of the Andromeda Galaxy is offering an unprecedented view of our closest spiral galactic neighbor. Composed by NASA and international space partners, the image combines data from ...

NASA has revealed that they have sent a man-made machine further than they ever have before, and they said they made an odd ...

Mars isn’t a bright, fire-engine red, but the iron oxide in its rocks makes it appear redder than other planets, especially ...