More recently, astronomers have proposed a theory for its volatile nature, which explains the star's seemingly erratic changes in brightness. They've suggested an unseen companion star orbiting ...

Catch the solar system’s largest planet satellite sharing the constellation Gemini the Twins with our Moon this morning ...

ESA's Mars Express orbiter captured footage of the Mars' moon Deimos pass in front of Ganymede, Europa, Jupiter, Io and ...

Look east around 4 a.m. local time, just before dawn, to see the slender form of the crescent moon climb above the horizon.

NASA’s Juno spacecraft has provided extraordinary insights into the mysteries of Jupiter and its moons. Yet, during its 57th ...

The solar wind plasma goes from moving at about 400 kilometers per second (900,000 miles per hour) to being diverted and ...

Mission scientists "waited with bated breath" to see if their last-minute operation to save a spacecraft's camera hundreds of millions of miles away had worked.

An experimental technique rescued a camera aboard the agency’s Juno spacecraft, offering lessons that will benefit other ...

Three significant meteor showers are going on at the same time these next two weeks. Also exciting is the gap between the two brightest planets shrinking rapidly on the way ...

The Southwest Research Institute-led mission team of NASA’s Jupiter-orbiting Juno spacecraft executed a deep-space move in December 2023 to repair its JunoCam imager to capture photos of the Jovian ...

New observations from the James Webb Space Telescope (JWST) are painting a new picture of Jupiter's moon Europa and revealing ...

What processes on Jupiter’s moon, Europa, could offer clues about the small moon potentially harboring life as we know it? This is what a recent stud | Space ...