the Earth, Sun and Moon why we get day and night what we can see during the day and at night why days and nights are different at different times of year. And you can test what you've learned with ...

Earth rotates on its axis every 23.9 hours, defining day and night for surface dwellers. This axis of rotation is tilted 23.4 degrees away from the plane of Earth's orbit around the sun ...

"From the bottom of our hearts, we love you Los Angeles," Billie Joe Armstrong told the crowd, "and we've got your back no matter what" ...

If we think the day and night on the moon are the same as how they are on the earth, we are fully mistaken. The days and nights on the moon called lunar day and lunar night are interesting ...

One of the great challenges faced by the events during Grammy Week, including the FireAid benefit, is how to set the proper tone: How do you have a celebratory event like big concert or awards show ...

Indian astronomer Dorje Angchuk captures stunning 24-hour time-lapse video of Earth's rotation from Ladakh's remote ...

Green Day kicked off FireAid ... The band started things with the American Idiot deep cut “Last Night on Earth” and welcomed special guest Billie Eilish to perform onstage with them.

Billie Eilish has joined Green Day onstage at the FireAid Benefit Concert. Watch their performance of “Last Night on Earth.” ...