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 ...

Anyone trotting out the well-worn "it’s been a long day" line on July 22 might end up having to rephrase, as Earth is set for ...

What can a newborn planet teach astronomers about planetary formation and evolution? This is what a recent study published in ...

The Southwest Research Institute-led mission team of NASA's Jupiter-orbiting Juno spacecraft executed a deep-space move ...

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

Sawan Shivratri promises to be not just a spiritually significant occasion but also a turning point for many, as the ...

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 ...

NASA's Juno probe's been studying Jupiter for nine years. Conditions are super harsh, and the camera's been taking a beating.

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.