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Chimpanzees wear blades of grass in their ears and rears
Some chimpanzees in captivity imitated each other with the seemingly useless activity of putting a blade of grass in their ears and rears.
July 13, 2025
Earth will spin unusually quickly in July and August
The shortest days on Earth for 2025 will be in July and August. But why is Earth spinning faster? It's a bit of a mystery. Get the dates here.
July 11, 2025
Interstellar visitor 3I/ATLAS might be oldest comet yet
Astronomers have modeled the path of interstellar comet 3I/ATLAS through the Milky Way galaxy. They said the comet might be 7 billion years old.
July 11, 2025
A deep-space navigation 1st, from New Horizons
New Horizons - which visited Pluto - has now performed a deep-space navigation 1st, determining its own position via star images.
July 11, 2025
Is the Milky Way teeming with satellite galaxies?
Astronomers used new models and simulations of the Milky Way to show our galaxy should have 80 to 100 more satellite galaxies than we've spotted.
July 10, 2025
The Omega Nebula is a star-forming region
The Omega Nebula, also known as the Swan Nebula or M17, is visible through binoculars and glorious through a telescope. Here's how to find it.
July 10, 2025
What are hole-punch clouds, aka fallstreak holes?
Have you ever seen a fallstreak hole or hole-punch clouds? They're a type of cloud with a flat layer interrupted by a big hole, often with wisps at the center.
July 10, 2025
NASA’s DART mission unleashed a blitz of boulders into space
Space rocks ejected during the DART mission carried 3 times more momentum than the spacecraft itself. This factor could influence planetary defense missions.
July 9, 2025
Probing the Cosmic Dark Ages from the far side of the moon
Researchers are planning the CosmoCube mission to travel to the far side of the moon, an area of radio silence, to listen to whispers from the cosmic Dark Ages.
July 9, 2025
Small planets are common around small stars, says new study
A team of astronomers led by Heidelberg University in Germany have found that small planets like Earth are common around small, low-mass red dwarf stars.
July 9, 2025
