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

Eternal Day and Night: Webb’s Journey To Understand a Distant World’s Bizarre Atmosphere

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

Bright Light at Night May Raise Type 2 Diabetes Risk, Study Suggests

A Glow in Jupiter's Night Could Be The Smoking Gun Signal For Dark Matter

He Monitors Solar Flares. Here’s What Keeps Him Up at Night.

Why Mount Rainier is the US volcano keeping scientists up at night

Real-ambient bedroom light at night increases systemic inflammation and disrupts circadian rhythm of inflammatory markers (2024)

Cloud shift from day to night amplifies global warming - EurekAlert

More Than 1,000 Birds Died One Night in Chicago. Will It Happen Again?

The 'Queen of the Night' does not whistle

Key brain signal linked to memory formation deteriorates after sleep deprivation, finds a study in rats. Even a night of normal slumber after a poor night’s sleep isn’t enough to fix the brain signal.

A 'new star' could appear in the sky any night now. Here's how to see the Blaze Star ignite

A 'new star' could appear in the sky any night now. Here's how to see the Blaze Star ignite.

What's keeping you up at night? Could ultra-processed foods be associated with your insomnia? - EurekAlert

Stunning Aurora Light Up the Night During Epic Geomagnetic Storm

Why Insects Are Lured to Lights in the Night

Astronomer here! I made my CNN debut last night talking about the aurorae!!!

Wild, Extreme Exoplanet Blanketed by Clouds of Vaporized Rock – But Only at Night

Your Sex Could Affect How Well You Sleep at Night. Here's Why That Matters.

The life aquatic: A game changer for frog vision, but little difference between night and day