Galileo Galilei, the renowned Italian astronomer and physicist, made groundbreaking contributions to science in the 16th and 17th centuries. His use of the telescope led to significant astronomical ...

Images from NASA's Galileo mission reveal a tantalizing starburst-like feature. Scientists call it a "wall demon." ...

Europa, one of Jupiter’s icy moons, shows a bizarre spider-like scar on its surface. Scientists now explain the possible ...

Europa’s “wall-demon” scar resembles lake stars on Earth, prompting researchers to investigate whether it indicates pockets of water beneath the moon’s frozen surface ...

Night sky update for December 17, 2025, covering the moon phase, visible planets, meteor showers, and key space and astronomy news from today ...

NASA reveals the true, bizarre reason for the 3I/ATLAS comet's 16.16-hour pulse. Scientists link the interstellar object's rhythmic jets to Jupiter's moon Callisto.

Irish planetary scientists have christened a spider-like feature on Jupiter's icy moon Europa as "Damhán Alla," which translates to "spider" or "wall demon." ...

An artistic rendering of a dust and gas disk encircling the young exoplanet, CT Cha b, 625 light-years from Earth.

The first pair of Galileo navigation satellites to launch on an Ariane 6 lifted off from Europe's Spaceport in Kourou, French ...

The Southwest Research Institute-led Ultraviolet Spectrograph (UVS) aboard NASA's Europa Clipper spacecraft has made valuable ...

A new study reveals the likely origin of a mysterious spider-like pattern first spotted on Jupiter's moon Europa in 1998. The ...