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.

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

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.

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

Uranus will transition from prograde to retrograde motion, appearing to move westward relative to background stars, beginning at 1 A.M. EDT. Uranus is observable in the early morning sky, ...