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.

Saturn and Neptune reach opposition, looking their best for the year. Jupiter and Venus shine bright before dawn, as does the zodiacal light.

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.

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 ...

On Aug. 31, 1913, Alfred Charles Bernard Lovell was born in England. When he was 15, a school trip to hear a lecture on ...

Dwarf planet Ceres reached its stationary point on August 15th, transitioning from eastward to westward motion relative to background stars, observable in the morning sky. On August 16th, a Last ...