NASA/ESA Hubble Space Telescope, Gemini North telescope and NASA Infrared Telescope Facility observations of Neptune and ...

Neptune is one of the most distant and mysterious planets in our Solar System, yet scientists continue making discoveries ...

Take a journey outward from Earth, where satellites track the ocean heat that can fuel hurricanes, to the icy cliffs of Mars ...

Two multiple-exposure images from Hubble show Kuiper Belt Objects moving against a background of stars in the constellation Sagittarius. The objects are roughly 4 billion miles from Earth. (Image ...

The Full Moon won't be the only attraction in the night sky tomorrow, September 26. That's because Saturn will also shine ...

Learn why September’s full moon returns so soon on Sunday evening, and how to see it beside Saturn.

September’s full Harvest Moon will rise beside Saturn this weekend — and its unusual celestial geometry means the spectacle doesn’t end after one night.

It has long been known that Mercury has shrunk over time, thanks to telltale wrinkles on its surface. But now it seems as ...

New Horizons images of Sputnik Planitia carry dark streaks that a Southwest Research Institute-led team says are best ...

3I/ATLAS interstellar comet, first photographed from Mars orbit in October 2025, carries water ice with deuterium levels more than ten times higher than any solar system comet. The James Webb Space ...

The Hubble Space Telescope, operational since its launch in 1990, continues to provide breathtaking views of the cosmos, significantly enhancing our ...

Kick off the first fall weekend with a glimpse of a full harvest moon and a chance to spot Saturn.