‘Unicorn’ long-period radio transient baffles scientists

Astronomers have discovered a long-period radio transient with theory-defying properties. It's incredibly polarized, and its spin appears to be speeding up.

Newborn planet spotted sculpting a spiral around its star

Astronomers have found evidence for a newborn planet 440 light-years away, sculpting spiral arms in the disk of gas and dust around its young parent star.

Companion for Betelgeuse confirmed! Beloved red star has a blue-white buddy

Astronomers using the Gemini North telescope have confirmed a companion for Betelgeuse! It's a blue-white star and orbits within Betelgeuse's outer atmosphere.

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.

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.

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.

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.

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.

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.

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.