Tonight marks the First Quarter Moon, when roughly half of the Moon’s visible face is illuminated. As of Saturday, May 23, ...

A rare underwater eruption in the Bismarck Sea may give birth to a new island, with NASA satellites capturing every stage.

The smallest planet appears after sunset as the waxing Moon reaches First Quarter and star clusters shine in the sky this ...

Temperatures are slowly creeping up, you’re storing your winter boots to make room for trendier, warm-weather shoes (hello, ...

With May's new moon fading and summer twilight looming, now is the time to plan a dark-sky escape — where location, timing ...

Corpus Christi is grappling with a water crisis because it failed to plan for a long-foreseen shortage. For the rest of Texas ...

A lawsuit filed Wednesday on behalf of students and community organizations in Massachusetts argues the state is illegally ...

Can government policy replicate a market economy and improve the outcomes? That is the subject of the book, Moonshots and the ...

Nowhere is this more evident than at the annual Watches and Wonders fair in Geneva, the industry’s most important and largest ...

The first color image of the whole Earth prompted people to think of home, and the environment, in a new way, writes Stewart Brand.

On the National Mall, thousands watched on one massive screen as the President, Vice President, and Secretary of State ...

They rank among the darkest and coldest places in the solar system: Hundreds of lunar craters, many of them at the moon's ...