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

The Washington MedStar Hospital Center has one of only 13 highly specialized Biocontainment Units in the country to treat ...

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

Using data from the Webb space telescope, a team of researchers is suggesting that Neptune’s moon Nereid is the only survivor ...

We all know the trope about ordering chicken at a nice restaurant: It’s a polite entrée to get, because it’s usually the ...

If you're planning to point a telescope at the moon this week, don't wait for the full moon. The best lunar views actually ...

Our planet's days are getting longer. The Moon's gravity slows Earth's spin, a process ongoing for billions of years. Now, ...

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

Stupid question, but …” is a weekly column answering the not-so-stupid questions that, at this point, we’re all too afraid to ...

The Moon is drifting away from Earth, a tiny shift that scientists can measure with remarkable precision. This slow drift ...

Neptune’s third-largest moon, Nereid, could be an intact survivor from the planet’s original satellite system, upending ...

Neptune’s moons have long provided evidence of a cataclysm four billion years ago. A new study suggests one moon may have ...