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Asteroid 2025 OS safely buzzed by Earth this weekend
Astronomers discovered asteroid 2025 OS on July 19, 2025. The small asteroid passed closest to us on July 18 and posed no danger to Earth.
July 21, 2025
The 1st footsteps on the moon: Celebrate with Moon Day
Today is the 56th anniversary of humanity's historic Apollo moon landing and the 1st human footsteps on the moon. And it's also International Moon Day.
July 20, 2025
A hidden molecular cloud near our Milky Way’s center
Researchers have discovered a hidden molecular cloud in our Milky Way galaxy near its central bar. The area is likely a region of star birth.
July 18, 2025
The Day the Earth Smiled at Saturn 12 years ago
July 19 is the 12th anniversary of The Day the Earth Smiled, the 3rd-ever image of Earth from the outer solar system, taken by the great Cassini spacecraft.
July 18, 2025
Biggest black hole merger ever breaks the universe’s rules
Cutting-edge gravitational wave detectors have found most massive black hole merger yet. Discoverers say it defies our understanding of how black holes form.
July 18, 2025
Witnessing a solar system’s dawn, for the 1st time
Astronomers have witnessed a solar system's dawn. They see the 1st specks of planet-forming material: hot minerals just beginning to solidify.
July 17, 2025
Did Webb find a black hole formed by a direct collapse?
Astronomers used data from Webb to probe a black hole that might have formed from direct collapse between two interacting galaxies.
July 17, 2025
Are dark dwarfs lurking in the heart of the Milky Way?
Do dark dwarfs - theoretical dwarf stars made of dark matter - exist in our galaxy? New research suggests how and where to find them.
July 16, 2025
Life on Venus? Exciting new VERVE mission could find it
Could there be life on Venus? A new probe concept from the UK would hitch a ride with the EnVision mission and look for biosignature gases in Venus' atmosphere.
July 14, 2025
New Horizons visited Pluto 10 years ago
New Horizons flew past distant Pluto 10 years ago in 2015. It changed forever the way we perceive this outermost world and its moons.
July 13, 2025
