New data further challenge the best scientific theory of the history and the structure of the universe. But a separate recent ...

The standard model of how the universe works involves the widely accepted theory that dark energy is a fundamental constant ...

Our current best theories of the universe suggest that dark energy is making it expand faster and faster, but new ...

A new map of cosmic expansion suggests that dark energy evolves over time, hinting that the universe doesn’t work the way we ...

The aurora borealis has jumped to the top of many travelers' wish lists, creating a tourism boom in the northernmost reaches ...

Researchers have just deciphered a series of Babylonian astrological tablets inscribed 3,800 years ago — and the results are ...

When we gaze up at the sky, we often expect to see the familiar shades of blue or grey. But sometimes, nature surprises us with ... Read more The post 12 Times the Sky Changed Color in the Most ...

Happy St. Patrick’s Day! Today is much colder with a northwesterly in the wake of a sharp, well-defined cold front that moved ...

If you slept through last night's total lunar eclipse, also known as the "Blood Worm Moon," you missed out! But you can still see it here.

It would be hard to beat Friday’s mostly sunny sky and inland highs in the upper 60s to near 70, but we’ll be able to keep ...

Nearly a year after Erie was in the path of a total solar eclipse, another unique astronomical event was visible in the sky ...

Stargazers on nearly one half of the world witnessed a total lunar eclipse overnight, as a rare cosmic lineup caused the moon ...