Here's when to see a pair of massive letters shining on the lunar surface around May's first quarter moon phase.

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

The phenomenon of a Full Moon arises when our planet, Earth, is precisely sandwiched between the Sun and the Moon. This ...

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 ...

Neptune has a complicated life story, and its moon Nereid might be the only one left standing from the planet’s ...

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 ...