Europa was one of four moons discovered on Jan. 7, 1610, by astronomer Galileo Galilei. Speaking of Galileo, this photo was ...

On January 7, 1610, the Italian astronomer Galileo discovered three of Jupiter's moons: Callisto, Europa and Io. When he ...

Legendary U.S. Track & Field Star Has Died At 75 Years Old A Concours Restoration Expert Builds The Restomod ’65 Mustang Of ...

Witness a lunar occultation of both Mars and the Pleiades; plus, Mars reaches opposition and Venus and Saturn sit close ...

The Sun, the planets, and all else that constitutes the solar system are hurtling toward the star Lambda Herculis, some 370 ...

Some stargazers are calling it a planetary parade: Every other planet in our solar system can be seen in the sky tonight.

Formerly the Large Synoptic Survey Telescope, the observatory was renamed in 2020 to honor Vera Rubin, who died at 88 in 2016 ...

📅 Today in History: In 1610, Italian astronomer Galileo Galilei, through improvements he made on a homemade telescope, first observed Jupiter’s four Galilean moons: Ganymede, Callisto, Io and Europa.

The night sky up to April 2025 is exquisite for viewing Venus, Mars, Jupiter and Saturn. A beautiful spectacle will span the sky looking south on the evenings of January 21st and 22nd when six of the ...

The science of the sun and its effects on the solar system is a sprawling discipline that expects a very exciting 2025 ...

A NASA X-ray imager is heading to the Moon as part of NASA's Artemis campaign, where it will capture the first global images of the magnetic field that shields Earth from solar radiation.