The Moon passes 0.4° south of the bright red giant Antares in Scorpius this morning at 4 A.M. EST. The pair is visible in the predawn sky. This evening, let's look for another bright red giant: ...

The show, narrated by Tom Hanks, offers glimpses of critters large and small. And capturing that footage is no small feat.

As Earth approaches warmer levels experienced earlier in its geologic history, it may be bad news for human survival.

Can you imagine a world so beautiful it’s hard to believe? Get ready to experience the earth’s most stunning places, where the beauty is beyond words. From crystal-clear waters to majestic mountains, ...

"It feels like something out of science fiction," said European Southern Observatory astrophysicist Julia Victoria Seidel.

Discover how life on Earth evolved from muted tones to vibrant colours, and how scientists are uncovering the secrets of ...

Learn how forces deep underground generate a protective bubble between us and space.

A new book explores how one biologist’s work at the North and South Poles changed the way he sees the world and our place in ...

On this day 35 years ago, NASA's Voyager 1 spacecraft took a picture that changed how we see our planet. The iconic "Pale ...