The mission — known as Payload for Ultrahigh Energy Observations, or PUEO — lifted off Dec. 20, 2025, from NASA’s launch ...

Fastest-Rotating Rock Known, Larger Than 6 Football Fields, Is Rubin Observatory’s First Discovery In A Nutshell Record breaker: Asteroid MN45 spins once every 1.88 minutes (about 765 times per day) ...

Scientists have measured that Jupiter releases more internal heat than it absorbs from the Sun, based on observations of its structure, rotation, and atmospheric behavior.

NASA Hubble observations from late 2023 to early 2024 document measurable size, shape, and motion changes in Jupiter’s Great Red Spot over one oscillation cycle.

Using muon spin rotation spectroscopy, researchers from Japan and Canada have successfully captured the rapid conversion of ...

They expect that this dark matter cloud, technically a Reionization-Limited H I Cloud (RELHIC), is a primordial remnant of a ...

A newly discovered celestial object may be a starless cloud that could change how astronomers understand dark matter.

An artist’s illustration depicts 2025 MN45—the fastest-rotating asteroid with a diameter over 500 meters that scientists have ...

In its preliminary data release, taken from just seven nights of observations, the powerful Vera C. Rubin Observatory has ...

On any given winter morning, several members of the Northwest Avalanche Center’s 11-member team commute to one of the region’s hardiest jobs: avalanche observation. From Mount Hood ...

Around the bright star Fomalhaut, astronomers spotted glowing clouds of debris left behind by colossal collisions between ...

Astronomers analyzing data from Vera C. Rubin Observatory have discovered the fastest-ever spinning asteroid with a diameter ...