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.

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Space Station View of Earth at Night

Blue Ghost Mission 2 and LuSEE-Night, on the moon's far side

These tropical trees breathe at night to survive drought

Fall Begins This Week — But Day And Night Won’t Actually Be Equal

This One Habit at Night Could Silently Change The Shape of Your Heart

Why do some heatwaves last through the night in the Yangtze River Basin?

Too much light at night may quietly reshape your heart

Too much light at night changes the shape and working of the heart

Hormone therapy use for hot flashes and night sweats in peri- and early postmenopause linked to lower cardiovascular risk in women

The night we nearly saw a 'blood moon' (and why I love near-misses in astronomy)

See last night’s ‘blood moon’ eclipse from around the world

Pressure-eyes at night: Researchers find new mechanism that causes increase in internal eye pressure, and a possible new target for glaucoma treatment

Loud snoring—simulation reveals the physical mechanism that keeps so many of us awake at night

Did humans evolve to be active throughout the day and night?

Too hot to sleep? How heatwaves at night affect our health

Will you be looking up on Aug. 12, the best skywatching day and night of the year?

Extreme Heat May Drive Asthma Risk in Baltimore, Especially at Night

KAIST develops AI that avoids hallucinating even at night or in smoke - EurekAlert!