Night

Night (also described as nighttime, unconventionally spelled as "nite") is the period of ambient darkness from sunset to sunrise during each 24-hour day, when the Sun is below the horizon.

Read more in the app

Radical Plan to Beam 'Sunlight on Demand' at Night Sparks Concerns

Fragments of Bacteria in Our Gut May Lull Our Brains to Sleep at Night

Science history: On the night of Oct. 5, 1923, Edwin Hubble observed a strange star that flickered in intensity at regular intervals. The star, dubbed M31-V1, was key to showing that the universe extended far beyond the borders of the Milky Way.

An Early Warning Signal of Dementia Risk May Keep You Up at Night, Study Says

Hostile hoots make robins eat less at night - EurekAlert!

ISS astronaut captures Egypt's glittering Nile River at night | Space photo of the day for Aug. 26, 2025

Secretive mini space shuttle set for Space Coast launch; late-night sonic boom possible

Watch a bright fireball explode above Japan, turning night to day (video)

UTEP study: Drinking coffee at night increases impulsive behavior - EurekAlert!

How to Watch Twin Meteor Showers Peak on the Same Night

Eating Pistachios at Night Could Transform Your Gut Health, Study Reveals

Why you shouldn't worry a nap will stop your child sleeping at night

Rubin Observatory Data Flood Will Let the Universe Alert Astronomers 10 Million Times a Night

An Early Warning Sign of Dementia Risk May Be Keeping You Up at Night, Study Says

How to capture drone imagery at night

Just One Night of Poor Sleep Can Change How Your Brain Sees Food

KAIST introduces ‘Virtual Teaching Assistant’ that can answer even in the middle of the night – successful first deployment in classroom - EurekAlert!

Noctilucent cloud season 2025 is upon us! Here's how to spot elusive 'night-shining' clouds

Why taping your mouth shut at night probably isn't a good idea

Should You Shower in The Morning or Night? It Depends on One Crucial Factor.