September’s Full Corn Moon is eclipsed for some observers, Titan passes behind Saturn, and Mars moves north of Spica in the ...

Astronomer and Pluto mission leader S. Alan Stern explores how the field has transformed during his decades-long career.

The Red Planet’s mantle is giving scientists clues to its geological history.

Saturn’s largest moon, Titan, transits with its shadow early this morning, passing over the planet’s northern polar region.

Today in the history of astronomy, NASA announces evidence of material being consumed by the black hole at the center of our ...

Ice giant Uranus is in Taurus, floating near the Pleiades star cluster and easy to locate in the early-morning sky.

Planetariums around the world are invited to participate in this year’s edition of the IAU’s annual outreach event.

President Donald Trump has announced that the U.S. Space Command will relocate from Colorado to Huntsville, Alabama.

Researchers have spotted a Jupiter-like gas giant forming in the disk around a young sun — earlier in the star's lifetime than expected.

Eicher takes new role as Astronomy Editor Emeritus, with Senior Editor Mark Zastrow appointed the magazine’s next Editor-in-Chief.

Amateur astronomers hold differing views on the significance of observing awards, with some actively pursuing them while others show little interest. The Herschel 400 observing program is frequently ...

Yevgeny Khrunov, born September 10, 1933, was selected as one of the first Soviet cosmonauts in February 1960. He participated in the Soyuz 4/Soyuz 5 mission in January 1969, which involved the first ...