It’s the first supermoon of the year—and after January, stargazers won’t see another for many months. Here's how to see it.

Meteor showers occur when Earth passes through comet debris. Major showers like the Perseids and Geminids offer many visible meteors. Best viewing requires dark skies, and a time when the shower's ...

Lucky are those who have seen a great naked-eye comet, one with a head and tail so intense that you need only look up to see it. It’s a rarity: On average, such a comet — brighter than magnitude 0 — ...

Cultivate Curiosity. Becoming a good naturalist is mostly a matter of being attentive. Why not try to learn something about the natural world every time you take a walk outside? Learn the names and ...

WASHINGTON (AP) — When a total solar eclipse transforms day into night, will tortoises start acting romantic? Will giraffes gallop? Will apes sing odd notes? Researchers will be standing by to observe ...

A technical achievement marks a significant advance in the burgeoning field of observing individual molecules without the aid of fluorescent labels. While these labels are useful in many applications, ...