SPOCK'S BEARD

by Built Márquez

The Juruá River is a southern tributary of the Amazon River, flowing approximately 1,500 miles (2,400 km) through Brazil and Peru. For most of its length, the river winds through the Amazon basin and is generally curvy and sluggish.

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-2.635833°, -65.756111°

NASA Image of the Day (July 21, 2026)

Psyche Approaches Mars

This composite of images taken by NASA’s Psyche mission shows the crescent of Mars grow as the spacecraft approached the planet for a gravity assist from May 2 to May 15, 2026. Because Psyche approached Mars from a high phase angle, the planet appeared as a thin crescent in the days running up to the close approach, lit by sunlight reflecting off its surface.

Oldest human footprint discovered, made 153,000 years ago in South Africa.

Oldest human footprint in North America, made 21,000 years ago in New Mexico, USA.

The rings of Saturn, observed by the Cassini space probe on May 3, 2005.