Moon phases reveal the passage of time in the night sky ... of the moon is facing away from Earth, toward the sun. The moon is also in the sky during the day, and without its Earth-facing side ...

Northern Michigan could be in for a weekend light show; there is a slight chance to glimpse the aurora borealis, or northern ...

Earth Rotation Day was observed globally on Wednesday. The day celebrates the rotation of planet earth on its axis which is crucial for defining time and shape of life. Earth rotates on its axis, an ...

A super-Earth planet that dips in and out of its star's habitable zone has been discovered just 19.7 light-years away.

Four planets will be in the parade in January, while seven will align in February. Here's how to see the events.

Sign up for CNN’s Wonder Theory science newsletter. Explore the universe with news on fascinating discoveries, scientific advancements and more. A small space rock ...

Keep an eye to the sky on Monday if you want a chance to see the next rocket launch from Florida’s Space Coast.

For about 76 days from May to late July, Norway becomes a country without night. The sun remains up for around 20 hours each day. In Svalbard, the northernmost inhabited region of Europe ...

These worlds are brutal places where a single mistake can bring disaster. The best day/night cycles can completely transform a video game, either by altering the atmosphere or tweaking certain ...

Computer algorithms can model the universe, matching simulations to observations and revealing the distribution of dark ...

Part of that pitch was the promise of a shot at making an Opening Day rotation that suddenly looks more crowded than most expected. The Nationals have already signed veteran free agents Michael ...

Impact Link This weekend, you can watch action-packed thrillers, a movie about the first-ever episode of "Saturday Night Live," and the season three finale of Max's raunchy coming-of-age show "The ...