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

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

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

An international team of astronomers has made the unexpected discovery of a new planet. Detected at an early stage of formation around a young Sun-like star, the planet is estimated to be about 5 ...

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

This famous four-star asterism marks the body of Pegasus the Winged horse and can help point the way to many fainter objects.

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

SpaceX Starship achieves its first payload deployment, overcoming past failures and advancing the mission toward Mars ...

The ringed planet shows off several moons, Venus hangs with the Beehive, and Mercury passes Regulus in the sky this week.

SpaceX Starship launch delay pushes the 10th test flight. Get details on the scrub, a Blue Origin delay, and a recap of last ...

Throughout the Earth’s precessional cycle, different stars serve as a pole star, including Thuban, Kochab, Polaris, and Vega.

Today in the history of astronomy, Viking 2 touches down.