moon

On Aug. 23, 1966, NASA's Lunar Orbiter 1 sent back the first photo of Earth from the moon. It showed a grainy crescent Earth that predated Apollo 8's famous color "Earthrise" by over two years.

Early Earth may not have had the right ingredients for life — until a nearby Mars-size planet crashed into it, two new studies hint.

SpaceX's Starship rocket has finally reversed its fortunes.

Saturday's new moon is a seasonal "black moon" — a rare phenomenon that occurs once every 33 months. Here's what that means and why it's a great night for stargazing.

The recent discovery of a potential gas giant circling the nearby star Alpha Centauri A has led to speculation that it may be orbited in turn by a habitable moon that could support life, just like in the "Avatar" movies.

Venus and Jupiter will meet in a conjunction in the early morning hours of Tuesday, Aug. 12. Here's everything you need to know to spot the two brightest planets at their best.

NASA is accelerating its plans for a nuclear reactor on the moon, aiming to establish such a power outpost by 2030, according to Politico.

In a rare skywatching treat, you can see August's full Sturgeon Moon rise soon after sunset on both Saturday, Aug. 9 and Sunday, Aug. 10.

The Solar Dynamics Observatory saw a lunar transit and an Earth eclipse on July 25 — the first when the moon passed between it and the sun, and another when Earth did the same.

A conjunction between a crescent moon and Mars joins an ongoing display of 'shooting stars,' making July 28 one of the best nights for skywatching all summer.